[House Hearing, 110 Congress] [From the U.S. Government Publishing Office] STRUCTURE OF THE FEDERAL FUEL TAX AND THE LONG-TERM VIABILITY OF THE HIGHWAY TRUST FUND ======================================================================= (110-22) HEARING BEFORE THE SUBCOMMITTEE ON HIGHWAYS AND TRANSIT OF THE COMMITTEE ON TRANSPORTATION AND INFRASTRUCTURE HOUSE OF REPRESENTATIVES ONE HUNDRED TENTH CONGRESS FIRST SESSION __________ MARCH 27, 2007 __________ Printed for the use of the Committee on Transportation and Infrastructure U.S. GOVERNMENT PRINTING OFFICE 34-793 WASHINGTON : 2007 _____________________________________________________________________________ For Sale by the Superintendent of Documents, U.S. Government Printing Office Internet: bookstore.gpo.gov Phone: toll free (866) 512-1800; (202) 512�091800 Fax: (202) 512�092104 Mail: Stop IDCC, Washington, DC 20402�090001 COMMITTEE ON TRANSPORTATION AND INFRASTRUCTURE JAMES L. OBERSTAR, Minnesota, Chairman NICK J. RAHALL, II, West Virginia JOHN L. MICA, Florida PETER A. DeFAZIO, Oregon DON YOUNG, Alaska JERRY F. COSTELLO, Illinois THOMAS E. PETRI, Wisconsin ELEANOR HOLMES NORTON, District of HOWARD COBLE, North Carolina Columbia JOHN J. DUNCAN, Jr., Tennessee JERROLD NADLER, New York WAYNE T. GILCHREST, Maryland CORRINE BROWN, Florida VERNON J. EHLERS, Michigan BOB FILNER, California STEVEN C. LaTOURETTE, Ohio EDDIE BERNICE JOHNSON, Texas RICHARD H. BAKER, Louisiana GENE TAYLOR, Mississippi FRANK A. LoBIONDO, New Jersey JUANITA MILLENDER-McDONALD, JERRY MORAN, Kansas California GARY G. MILLER, California ELIJAH E. CUMMINGS, Maryland ROBIN HAYES, North Carolina ELLEN O. TAUSCHER, California HENRY E. BROWN, Jr., South LEONARD L. BOSWELL, Iowa Carolina TIM HOLDEN, Pennsylvania TIMOTHY V. JOHNSON, Illinois BRIAN BAIRD, Washington TODD RUSSELL PLATTS, Pennsylvania RICK LARSEN, Washington SAM GRAVES, Missouri MICHAEL E. CAPUANO, Massachusetts BILL SHUSTER, Pennsylvania JULIA CARSON, Indiana JOHN BOOZMAN, Arkansas TIMOTHY H. BISHOP, New York SHELLEY MOORE CAPITO, West MICHAEL H. MICHAUD, Maine Virginia BRIAN HIGGINS, New York JIM GERLACH, Pennsylvania RUSS CARNAHAN, Missouri MARIO DIAZ-BALART, Florida JOHN T. SALAZAR, Colorado CHARLES W. DENT, Pennsylvania GRACE F. NAPOLITANO, California TED POE, Texas DANIEL LIPINSKI, Illinois DAVID G. REICHERT, Washington DORIS O. MATSUI, California CONNIE MACK, Florida NICK LAMPSON, Texas JOHN R. `RANDY' KUHL, Jr., New ZACHARY T. SPACE, Ohio York MAZIE K. HIRONO, Hawaii LYNN A WESTMORELAND, Georgia BRUCE L. BRALEY, Iowa CHARLES W. BOUSTANY, Jr., JASON ALTMIRE, Pennsylvania Louisiana TIMOTHY J. WALZ, Minnesota JEAN SCHMIDT, Ohio HEATH SHULER, North Carolina CANDICE S. MILLER, Michigan MICHAEL A. ACURI, New York THELMA D. DRAKE, Virginia HARRY E. MITCHELL, Arizona MARY FALLIN, Oklahoma CHRISTOPHER P. CARNEY, Pennsylvania VERN BUCHANAN, Florida JOHN J. HALL, New York STEVE KAGEN, Wisconsin STEVE COHEN, Tennessee JERRY McNERNEY, California (ii) ? SUBCOMMITTEE ON HIGHWAYS, TRANSIT AND PIPELINES PETER A. DeFAZIO, Oregon NICK J. RAHALL II, West Virginia JOHN J. DUNCAN, Jr., Tennessee JERROLD NADLER, New York DON YOUNG, Alaska JUANITA MILLENDER-McDONALD, THOMAS E. PETRI, Wisconsin California HOWARD COBLE, North Carolina ELLEN O. TAUSCHER, California RICHARD H. BAKER, Louisiana TIM HOLDEN, Pennsylvania GARY G. MILLER, California MICHAEL E. CAPUANO, Massachusetts ROBIN HAYES, North Carolina JULIA CARSON, Indiana HENRY E. BROWN, Jr., South TIMOTHY H. BISHOP, New York Carolina MICHAEL H. MICHAUD, Maine TIMOTHY V. JOHNSON, Illinois BRIAN HIGGINS, New York TODD RUSSELL PLATTS, Pennsylvania GRACE F. NAPOLITANO, California JOHN BOOZMAN, Arkansas MAZIE K. HIRONO, Hawaii SHELLEY MOORE CAPITO, West JASON ALTMIRE, Pennsylvania Virginia TIMOTHY J. WALZ, Minnesota JIM GERLACH, Pennsylvania HEATH SHULER, North Carolina MARIO DIAZ-BALART, Florida MICHAEL A ARCURI, New York CHARLES W. DENT, Pennsylvania CHRISTOPHER P. CARNEY, Pennsylvania TED POE, Texas JERRY MCNERNEY, California DAVID G. REICHERT, Washington BOB FILNER, California CHARLES W. BOUSTANY, Jr., ELIJAH E. CUMMINGS, Maryland Louisiana BRIAN BAIRD, Washington JEAN SCHMIDT, Ohio DANIEL LIPINSKI, Illinois CANDICE S. MILLER, Michigan DORIS O. MATSUI, California THELMA D. DRAKE, Virginia STEVE COHEN, Tennessee MARY FALLIN, Oklahoma ZACHARY T. SPACE, Ohio VERN BUCHANAN, Florida BRUCE L. BRALEY, Iowa JOHN L. MICA, Florida HARRY E. MITCHELL, Arizona (Ex Officio) JAMES L. OBERSTAR, Minnesota (Ex Officio) (iii) CONTENTS Page Summary of Subject Matter........................................ vi TESTIMONY Buechner, William, Vice President for Economics and Research, American Road and Transportation Builders Association.......... 3 Marron, Donald B., Deputy Director, Congressional Budget Office.. 3 Pisarski, Alan, Private Consultant............................... 3 Sperling, Daniel, Professor and Director, University of California-Davis, Institute of Transportation Studies.......... 3 PREPARED STATEMENTS SUBMITTED BY MEMBERS OF CONGRESS Altmire, Hon. Jason, of Pennsylvania............................. 21 Mitchell, Harry E., of Arizona................................... 22 PREPARED STATEMENTS SUBMITTED BY WITNESSES Buechner, William R.............................................. 25 Marron, Donald B................................................. 37 Pisarski, Alan E................................................. 53 Sperling, Daniel................................................. 64 [GRAPHIC] [TIFF OMITTED] T4793.050 [GRAPHIC] [TIFF OMITTED] T4793.051 [GRAPHIC] [TIFF OMITTED] T4793.052 [GRAPHIC] [TIFF OMITTED] T4793.053 [GRAPHIC] [TIFF OMITTED] T4793.054 [GRAPHIC] [TIFF OMITTED] T4793.055 HEARING ON STRUCTURE OF THE FEDERAL FUEL TAX AND THE LONG-TERM VIABILITY OF THE HIGHWAY TRUST FUND ---------- Tuesday, March 27, 2007, House of Representatives, Committee on Transportation and Infrastructure, Subcommittee on Highways and Transit, Washington, DC. The subcommittee met, pursuant to call, at 2:00 p.m., in Room 2167, Rayburn House Office Building, the Honorable Peter DeFazio [chairman of the subcommittee] presiding. Mr. DeFazio. Okay, let's get started. I want to thank my Ranking Member, Jimmy Duncan, for being here today and the witnesses for being here. Perhaps the state of the Highway Trust Fund and the income into the Trust Fund is not to a lot of people an earthshaking topic. But it is one of two key components, as we move forward and look at the reauthorization of the next highway and transit legislation in 2009. Obviously we are also investigating the other component, that is, what is it we have to maintain and what is it we have to build to enhance the system. But the other side is, how are we going to pay for it. If we look back to SAFETEA-LU and just before SAFETEA-LU, the estimates of the Bush Administration's Department of Transportation were, we basically needed $375 billion investment over the term of the bill to tread water. Obviously our resources were short of that. We did as good as we could, coming up just under $300 billion. So we need to understand how the gas tax is going to fare in the future, the Trust Fund, the other associated taxes that contribute to the Trust Fund, and hopefully look toward a way to make more robust investments in the future. Obviously other things have happened since the last time the gas tax was updated, the extraordinary run-up of construction costs. And obviously, increased traffic. So we need to take a very hard look at all these issues, and I appreciate your all being here today. I now recognize my Ranking Member, Mr. Duncan from Tennessee. Mr. Duncan. Thank you, Mr. Chairman. I am pleased that we are holding this hearing today on the structure of the Federal fuel tax and the long-term viability of the Highway Trust Fund. When the SAFETEA-LU bill was signed into law two and a half years ago, I think many people realized that we would at some point have to reevaluate how we fund the surface transportation projects, and probably need to do that before the next reauthorization bill is considered. This hearing begins that very important process. Ever since the HIgwhay Trust Fund was created in 1956, the Federal fuel tax has been the primary source of revenue for the Trust Fund. The Highway Trust Fund, as most people know, most of the people who are here today, also receives revenue from taxes on tires and truck and trailer sales and annual sales on heavy trucks. However, the vast majority of the revenue deposited in the Highway Trust Fund is derived from Federal taxes on gasoline, diesel fuel and other special fuels. We are now reaching a point in history where we need to evaluate whether or not the current revenue structure of the Highway Trust Fund can stand the test of time. For 50 years it has served us well. However the vehicles we drive are rapidly changing. Fuel efficiency is increasing. Electric hybrid vehicles are gaining in popularity and major auto manufacturers are talking about mass-producing plug-in electric vehicles. I have seen some of the research being done in this area first-hand at the National Transportation Research Center in my district in Knoxville. Researchers at the NTRC are some of the leading experts in developing advanced power electronic devices. As transportation shifts from combustion-driven vehicles to hybrid electric, plug-in, hybrid and fuel cell vehicles, the research being done at this facility I think will be very critical, very important. This shift in how we fuel our vehicles will reduce our dependence on foreign oil and may have positive environmental impacts. However, it may also force us to change how we fund the Highway Trust Fund. A tax on fuel is our primary source of revenue, as I have mentioned, for the fund. As we incorporate technologies that reduce the amount of fuel we use, we will see a reduction in revenue into the trust fund that is attributed to the fuel tax. While this is not an immediate concern, it is something we need to think about as we begin to write the next reauthorization bill. I look forward to hearing from the experts that we have assembled here today and hope that they will provide us some real insight on the current status of the Highway Trust Fund and how long into the future the current financing structure of the Trust Fund can sustain our Nation's surface transportation needs. Thank you, Mr. Chairman. I yield back. Mr. DeFazio. I thank the Ranking Member for that statement, helping put this hearing in context. If there are no other opening statements, we will move to the witnesses. In terms of the order prescribed, whatever it says there, I guess it's the order up there. Mr. Marron, Deputy Director of CBO, go right ahead. TESTIMONY OF DONALD B. MARRON, DEPUTY DIRECTOR, CONGRESSIONAL BUDGET OFFICE; WILLIAM BUECHNER, VICE PRESIDENT FOR ECONOMICS AND RESEARCH, AMERICAN ROAD AND TRANSPORTATION BUILDERS ASSOCIATION; DANIEL SPERLING, PROFESSOR AND DIRECTOR, UNIVERSITY OF CALIFORNIA-DAVIS, INSTITUTE OF TRANSPORTATION STUDIES; ALAN PISARSKI, PRIVATE CONSULTANT Mr. Marron. Thank you, Mr. Chairman, Mr. Ranking Member, and members of the Committee, it is a pleasure to be here today to discuss the status of the Highway Trust Fund. In my opening remarks, I would like to make four points. First, CBO projects that under current law, revenues to the highway account of the Highway Trust Fund will fall short of outlays over the next few years. As a result, the account will become exhausted by the end of 2009. If obligation limitations and RABA adjustments are set at the levels authorized in SAFETEA-LU, CBO estimates that outlays during 2007 through 2009 will total about $117 billion. Revenues over that period are projected to be about $108 billion, $9 billion lower than outlays. Transfers from the highway account to the transit account would total about $2 billion over that period. Putting those figures together, CBO projects that the highway account balance would decline by almost $11 billion by the end of 2009. More specifically, the balance would fall from about $8.9 billion at the start of 2007 to negative $1.7 billion at the end of 2009. CBO similarly projects that the mass transit account will become exhausted in 2012. Second, about 90 percent of the revenues for the Highway Trust Fund come from fuel taxes that are fixed in nominal terms: the 18.3 cents per gallon tax on gasoline and gasohol and the 24.3 cents per gallon tax on diesel. Because the tax rates are fixed in nominal terms, tax revenues are ultimately determined by fuel use. Fuel use in turn is driven by real economic growth, fuel prices, fuel economy and the types of fuel that are used. Economic growth increases fuel purchases and tax revenues. Higher fuel prices and higher fuel efficiency both reduce fuel purchases and revenues, and changes in the types of fuel can either raise or lower revenues, depending on the particular tax rates and the energy content of the fuel. Third, because revenues are driven by fuel use, they tend to grow more slowly than the nominal size of the economy. For example, CBO projects that fuel tax revenues will grow about 1.5 percent per year over the next 10 years, compared to nominal economic growth of 4.6 percent per year. I should note, however, that the fuel tax revenues did grow faster than fuel use over the last 10 years. That happened because of several law changes that shifted resources into the Trust Fund from the general fund. In 1998, for example, revenues from the 4.3 cents per gallon tax that was originally enacted in 1993 were shifted into the Trust Fund from general revenue. In 2005, tax credits for ethanol were restructured so that they reduced general revenues rather than Trust Fund revenues. Fourth and finally, I should emphasize that these projections, and really any projections of revenues and outlays for the Highway Trust Fund, are subject to significant uncertainty. There is uncertainty about spending, for example, because it will depend on decisions made by the Congress and the Administration regarding basic annual funding levels for the program and the adoption of RABA adjustments. Spending rates will also be influenced by the decisions of State and local governments. There is uncertainty about revenues because of uncertainty about future economic conditions. The economy could grow faster or slower than expected, oil prices could rise or fall above projected levels, and alternative fuels could develop faster or slower than expected. Such economic changes would result in different revenue levels. There are also uncertainties about the key technical assumptions that relate economic activity to revenues. Consumers might adjust to changes in fuel prices more or less than we expect. Fuel and truck purchases might be more or less responsive to increases in economic activity. Any of those changes could affect revenues. Given these uncertainties, the highway account could become exhausted either earlier or later than our current estimates indicate. Thank you, and I would be happy to answer any questions. Mr. DeFazio. Thank you, Mr. Marron. Mr. Buechner. Mr. Buechner. Mr. Chairman and members of the Subcommittee, thank you very much for inviting the American Road and Transportation Builders Association to testify on the viability of the motor fuels excise tax. Let me start with the most immediate concern, the balance in the Highway Trust Fund. The Highway Trust Fund balance will be exhausted by the end of fiscal year 2009. The Federal Highway Administration estimates a $200 million deficit, the Congressional Budget Office $1.7 billion. The figures are somewhat variable, depending on what assumptions you make. The fear is that the way we are going to deal with that is to cut highway funding, either by foregoing the RABA adjustment in fiscal year 2008 or cutting the program in 2009. But there is a better alternative, which is to repeal or restructure most of the remaining Federal motor fuel excise tax exemptions. As you know, the Federal Highway program is user-fee financed through revenues, primarily from taxes on gasoline and diesel fuels. But there are some highway users that are exempt from the tax for reasons that have nothing to do with transportation policy. Repealing or funding these exemptions from the general fund, as was done with the ethanol incentive in 2004, would add about $1 billion per year to highway account revenues. This approach was endorsed by the Administration in its fiscal year 2006 budget submission and was included in the version of SAFETEA-LU passed by the Senate. It would pretty much rectify any of the deficit projections that are on the table. Beyond 2009, there are two concerns affecting the viability of the Federal Motor Fuel Tax_the impact of higher CAFE standards and rising construction costs. Very briefly, CAFE standards for cars and light trucks have very laudable goals. They reduce our dependence on foreign fuel and they improve air quality. But they also reduce tax revenues for the Highway Trust Fund. NHTSA has recently announced a 10 percent increase in CAFE standards for light trucks that would be effective with the 2011 model year. This will have an impact on Highway Trust Fund revenues, as Don pointed out, in the long term. But it won't be significant until well after the years covered by the next reauthorization legislation. We currently replace about 7 percent of the 230 million cars and light trucks registered in the U.S. each year. So it takes more than 14 years to completely replace the entire fleet. If you go through the math on the trucks that will be affected by this, you find that the new CAFE standards for light trucks would reduce Highway Trust Fund revenues by about $100 million in fiscal year 2012 and maybe as much as $300 million or $400 million by 2015, which is about 1 percent of projected revenues for that year. If you look at hybrid vehicles, which are the only other kind of cars on the road right now that are of serious concern here, they only comprise like 2 or 3 percent of automobile sales each year. The average revenue foregone would be in the range of $30 million a year. So that is an issue for the long term. Far more important for the short term is the erosion of the purchasing power of the fuel tax. Since 1993, when Congress enacted the current tax rate, the purchasing power of the Federal Motor Fuels Tax has fallen by more than 35 percent. The big issue in 2004 was rising steel prices, which I have shown in the first chart. You see the big increase in 2004. In 2005 and 2006, these rapid increases started spreading to core highway construction materials. These charts show what happened to the price of aggregates, crushed stone, which is the major material for highways, ready-mix concrete went way up, asphalt paving mixtures and diesel fuel all rose rapidly. Diesel fuel more than doubled in three years. So in these three years, the cost of highway construction materials has risen more than 35 percent. When you factor in wages and overhead, which have risen much less, the cost increase is still at least 20 percent in three years and in some parts of the country it is much higher. This next figure shows the erosion of the purchasing power of the Federal gas tax due to these higher construction costs. In 2007, for example, the 18.3 cent per gallon gas tax purchases about what 11.6 cents would have bought in 1993. Here is a chart showing what the gas tax would have to be to maintain that 18.3 cent purchasing power. In summary, the Federal Motor Fuels Excise Tax is not a broken model. It can continue to serve as the foundation for financing the highway and mass transit programs for SAFETEA-LU reauthorization and probably for some years beyond that. None of the potential threats to the tax base will have a significant impact for some years to come. The purchasing power of the tax, though, is the problem and has been significantly eroded by higher construction costs. It certainly can't support the level of Federal highway investment needed today to maintain mobility and support economic growth. That is where I would like to stop and I thank you very much for the opportunity to testify. Mr. DeFazio. Thank you. That was, particularly the graphics, very compelling. We will now move to our next panelist, Mr. Sperling. Mr. Sperling. Thank you, Mr. Chairman and members of the Subcommittee. Thank you for the opportunity to speak to you regarding the fuel excise tax. My statement addresses the effect of alternative fuels and vehicle fuel economy on fuel tax revenues. I note that I have devoted most of my professional career to studying energy use and transportation. This includes working closely with all of the major car and oil companies in the world. And I note that I also served on the 2005 National Academies TRB committee that drafted the report, the Fuel Tax and Alternatives for Transportation Funding. My remarks are based in part on the findings of that study, but the conclusions and recommendations I will offer are my own. So my testimony addresses two concerns. One is addressing, ensuring adequate funding for transportation and secondly, reducing greenhouse gas emissions from transportation. So I have three points. The first point responds to a fear that we have just been hearing about in the transportation community that the use of alternative fuels, hybrid cars, other fuel efficient vehicles will reduce gas tax revenues. My assessment and the assessment of the 2005 National Academies report is that the gas tax is structurally sound for the near future. And this agrees with the previous speaker. Improved fuel economy and the introduction of alternative fuels are unlikely to be great enough to threaten the viability of the gas tax for at least the next 10 years and probably longer. The 2005 National Academies report concluded ``The existing revenue sources will retain the capacity to fund transportation programs at historical levels.'' Now, the simple explanation for this conclusion is as follows. First, population continues to increase, vehicle use continues to increase. Second, plans to tighten CAFE standards that we are hearing about a lot in the news that the President is proposing and others, will have a large effect eventually. But probably not for quite a few years, for a number of reasons, including a slow turnover of vehicles. Thirdly, the rapid increase in alternative fuel use will be mostly with ethanol, which is fully taxed and thus its use does not affect gas tax revenues. The alternative fuels that are not currently taxed, natural gas, hydrogen, electricity for plug-in hybrids, are unlikely to be used in large volumes for at least 15 years and probably longer. A reasonable projection is that gasoline and ethanol, the taxed fuels, will continue increasing, peaking in about eight to ten years and then start to slowly dip. For energy security and climate change reasons, I personally hope that this down- turn in gasoline use happens faster. But it is unlikely. I have a different point of view than some of the others on the panel on that. My second point is that if we agree that more funding is needed for highways and transit, and I do believe that very strongly, then this funding need can be generated by simply raising the gas tax a few cents per gallon. Adding five cents per gallon costs a vehicle owner an extra $30 a year per vehicle. This would solve any transportation funding problems for many years. The third point is a longer term solution, looking ahead in terms of restructuring the financing. It is to restructure the gasoline and diesel taxes to reward low carbon fuels in such a way as to assure continued increases in the transportation funding stream. Since alternative fuels will slowly become an increasing share of the fuel supply pool, why not tax them in accordance to their effect on climate change. Keep in mind that some fuels already generate much higher greenhouse gas emissions than others. For instance, gasoline produced from tar sands in Canada generates about 20 to 50 percent more greenhouse gases per gallon than gasoline produced from conventional oil. At the other extreme, the production of biofuels made from crop residues, switchgrass. other cellulosic material, dramatically reduces greenhouse gases, in some cases to zero. Why not charge a higher tax for high carbon fuels and a lower tax for low carbon fuels? The rates can be adjusted periodically to sustain revenue flows into the Transportation Trust Fund. This new carbon-based tax solves the long-term structural problems of the gas tax and provides incentives for low carbon fuels. Thank you. Mr. DeFazio. Thank you. And then to our final panelist, Mr. Pisarski. Mr. Pisarski. Thank you very much, Mr. Chairman, Mr. Ranking Member and distinguished members. It is always a pleasure to come back to talk to the Committee. Last year, we celebrated the anniversary of the financing plan that created the Highway Trust Fund in 1956 and the pay- as-you-go system that made the interstate possible. The pay-as- you-go system was a Congressional decision, after a toll-based system was found too limiting and a bonding system too expensive. The fundamental understanding is that of a user compact between Government and road users in which users pay according to the costs they exert on the road system and Government expends those funds in ways that are responsive to user needs. The responsibilities are mutual and reciprocal. To be effective, a charging system for road use must to be fair to users as well as adequate in generating resources. To be fair, it is best for the fee system to be a surrogate for the miles traveled by vehicles and proportionate to the effects on the road system. The fuel use charge system does it about as well as one could imagine. The system's effectiveness can go wrong in two ways, either in the fundamentals or in the effects of time. In the fundamentals, it can simply be the original user charges are inappropriate or the expenditures may not be focused properly on user needs. Over time, the relationship of the elements changes with fuel economy, inflation costs, construction costs, new technology and the new demands that the society makes on the system. All of these problems are directly addressable, analytically, legislative, by policy, by indexing systems or other means. We expect more of our systems today. Trying to accomplish more has placed great strains on the investment system. Some analysts would foresee a system that could charge not just for miles driven, but for miles driven at certain times and at certain places with certain congestion levels. I think few taxing systems are really capable of that kind of precision. The early years of the system I think is really very important to recognize. The relatively coarse mechanism employed to generate revenues were compensated for by massive growth both in the fuel rates that were charged and growth in auto use, the ownership of the automobile and the dramatic growth in vehicle miles of travel. You see that in the slide presented here. One of the key factors for the future is in many respects the saturation of many of these trends. The white, non-Hispanic population has reached effective saturation in automobiles and driver's licenses. Increases in per capita VMT have stabilized. Current estimates of 20 year VMT growth out into the future range below 2 percent, contrasted to the 3 and 4 percent annual rates that we saw in past decades. While all of these factors are significant, to me the greatest impact on the user charge system and its adequacy have not been demographic or technological. They have been the result of fiscal and policy decisions that have distorted the pay-as-you-go system with expanded targets for funding, transit and others, fiscal constraints on the process, impounding, CAFE and obligation limits, and the erosion over time of the value of the funds as we fail to make timely adjustments. The fear of future erosion of the system's revenues from new alternative fuels and new vehicle technologies are relatively distant in terms of serious impact and can be addressed as long as we keep in mind the relationship between road use and the user fee. It is the other challenges that will be a more serious threat to the viability of the system. Much has been made of the public's resistance to fuel tax increases. It is more to the point that the public may have lost faith in the validity of our vision and our ability to execute our plans that leads to a real distaste for increases. When a sound menu was put before the public by agencies that are trusted, the success has been substantial around the Country. Overall, the pay-as-you-go system, tied to the trust fund mechanism, has been immensely effective. Other nations have used the gas tax as a cash cow, seeking consciously to separate road program costs from road taxes in order to tap into the immense benefits the public receives from road use. Other funding approaches are not immune from that same problem. In effect, then, one of the great benefits of the present system is that it establishes an upper limit on what can be charged to road users. In my mind, the integrity of dedication to highways of the user charge is the most fundamental aspect of the user compact. If that connection to transportation is lost, the injury to America's high mobility society will be massive. Than you so much, and I would be happy to answer any questions. Mr. DeFazio. Thank you, and thanks to the other panelists for your testimony. There does seem to be a little bit of variance in opinion on the panel, which I would like to invoke some discussion over. As I read through your testimony and listened to you today, at the moment, construction increases and costs of construction are obviously a very major factor in our capability of using the current funds and gas tax to meet our needs. But then in the out years, the question of course, it is kind of a crystal ball what might happen there, but it is also a crystal ball how quickly the new technologies are going to evolve and what impact that will have. We have a bit of testimony on both sides. I would like you to discuss that. Is the gas tax viable for a 10 year window, 20 year window, your best guess? Perhaps with some adjustment for either inflation or construction costs inflation, and if each one of you could address that. Mr. Marron? Mr. Marron. Sure, I am happy to go first. Playing the standard CBO card, I am not sure I am in a position to use the word viable. What I can say is in our baseline, in the projections that we prepared here and in our baseline, we do have revenues from the gas tax rising over the ten year projection window. So they are viable in the sense that revenues are on an upward trajectory as fuel use rises. In constructing those estimates, we look at these issues about alternative fuels and whether they will cause revenues to go down. We have a little bit of that in the baseline, but as several of the other panelists say, we don't expect a lot of that over the next 10 years. And thus far, we always look 10 years in the future, we haven't actually looked out beyond that. Mr. DeFazio. Okay. Mr. Buechner. I think even with new technologies being developed, it just takes a long time to implement them and get them into the fleet. So I think 10 years, 15 years, and certainly for the next reauthorization, I don't see any threat other than minor erosion from hybrid cars and a little bit from the increase in the CAFE standard. But it is more a question of, when you are looking to the next reauthorization, what do you want to accomplish with the Federal highway program? What is the vision for the program? What is the structure? And what revenues are needed to meet those goals? At that point, Congress would have to make a decision about what the gas tax rate should be. But I think the base will be there. Mr. DeFazio. Well, given the run-up in construction costs, given what you just said, if we didn't make any adjustment in the gas tax in the next transportation bill, and given the fact we are looking at potential exhaustion of the trust fund, although there will be ongoing revenue in 2009 to 2010, I mean, it would seem to me that you would be looking at a larger deficit between need and capability. Mr. Buechner. Oh, much larger, yes. Mr. DeFazio. Does anybody disagree with that? Mr. Buechner. To emphasize what you are saying, the current level of the gas tax is insufficient to meet our highway and transit investment needs. Mr. DeFazio. All right. And we will be. As you pointed out, you do need to know what you are looking to do. We are going to be holding other hearings on the needs of the system. We are sort of on two tracks here. One is examining our current funding and its prospects and alternatives for funding, and the other track is, what is our vision, what are our base needs, what are the enhancements that we want to look to add to the system. Does anybody else want to comment? Yes, Mr. Pisarski. Mr. Pisarski. Again, I agree that probably out 20 years the system will still be very effective. And we need to support it even beyond that to make sure it is dedicated to transportation. But the concern is that we are, as you mentioned earlier, facing the $375 billion backlog number, and that number is now higher with the new Condition and Performance report. We are not close to being able to respond to that. So we must recognize that we need to expand the funding that can be made available. One of the focus points in my view, because we have declining VMT into the future, is we have an immense backlog of investment that is identified in the FHWA report documents. Once we get past that backlog, I would like to argue that there is a more steady state and that we will have a more reasonable problem to address into the future. But that backlog is about one reauthorization's worth of funding. That is the level of the backlog. Mr. DeFazio. So what do you quantify the backlog at? Mr. Pisarski. One reauthorization---- Mr. DeFazio. The last one, $300 billion? Mr. Pisarski. 1.0 reauthorization; yes, something on that scale. I don't know that they have developed a new number. I would have to ask them. But I would guess it has to be $375 billion to $400 billion. [After the hearing, Mr. Pisarski stated the following for the record: the 2006 Condition and Performance report cites a value of $430 billion as the highway backlog, excluding rural and urban local streets; and $65.2 billion in the bridge backlog.] Mr. DeFazio. All right. I think we have exhausted that topic. Does anybody have any thoughts on the last question? Then we will turn to other members of the panel. But if we add an index, if we wanted to index it, what would you use, to avoid some of the deficit in the future? What would be the most reasonable sort of--yes, Mr. Sperling? Mr. Sperling. Well, as I suggested, there are basically two ways. You can just index it up at some rate. Of course, many people are suggesting refashioning the whole tax system into a VMT type system, even a more pure user-based system. Having participated in that gas tax committee for two years and listened to all the proposals, in principle I thought it was a great concept. But the more you dig into it, the more complicated and difficult it becomes to actually implement. I still think we need to be experimenting and exploring and developing that, and maybe at the State level it would be more fruitful as kind of an experiment, as Oregon is doing, for instance. But the other is to rethink the gas tax, as I suggested and make it more tied to the environmental goals as well. I know the transportation community hates that idea, because they like a pure revenue stream, unadulterated by these other considerations. But in fact, the transportation community has been lagging behind other sectors of our society in addressing some of these environmental and especially energy and climate considerations. This seems to me a very effective way, a mechanism, this idea of a higher tax on high carbon fuels, lower tax on low carbon fuels, in a way that will generate perhaps even more public support than just saying, oh, well, we're just raising the gas tax another nickel or dime and hopefully you see the benefits from it. Mr. DeFazio. Should we be looking at producer level or consumer level taxes? Right now we have consumer level taxes. Should we be looking at, given your position with a focus on carbon production, should that be at the producer level or would you continue it at the consumer level? Mr. Sperling. In California what we are doing is introducing something called a low carbon fuel standard. And that is imposed at the producer level, but in such a way that producers can trade credits, buy and sell credits. One possibility is that they can buy and sell those credits with the auto makers as well, based upon their CAFE performance. So it would be easier to manage at the producer level, from the vehicle producer and fuel producer. I would be very reluctant to bring it more downstream toward the consumer, because it would get very complicated. But on the other hand, what is really important, I think that Congress and political leaders need, that I would suggest need to do is, get people to engage in a way that they feel some responsibility. I think that is the only way that we are going to deal with our energy and climate problems. Mr. DeFazio. Okay. Mr. Pisarski will be the last one, then I have to move on to other members. Mr. Pisarski. Thank you, sir. I would suggest that it should be a series of indexes that would make the most sense. One would be an inflation index, one would be a cost of construction index, and one would be an index that related to changes in vehicle fuel economy. Even if you didn't employ every one of them, if you knew what those numbers were and how each was working, and you understood the relationship to the total program, I think that would be a very effective goal. I will add one small point. In Texas, we just finished a study for the Governor's Business Council. They are talking about an inflation index of the Federal tax, that they are going to compensate for the losses in their revenue from their State gasoline tax and also from the Federal gas tax. It is an interesting concept. Mr. DeFazio. Thank you. Mr. Duncan. Mr. Duncan. Mr. Chairman, since I am going to be here until the end, I want to go first to our members in the order in which staff tells me they came in. So Ms. Drake would be, I would like you to recognize Ms. Drake first. Ms. Drake. Thank you, Mr. Chairman. Dr. Buechner, I thought it was very interesting that you were talking about exceptions. We talked about exceptions when I was in the State legislature in Virginia, in the tax code, got a lot of pushback. But could you expand on that? Could you tell us what exceptions you think are valid or are not valid or how we could do that? Mr. Buechner. Of the current exemptions that result in a loss of revenue to the Highway Trust Fund, there are five major ones: first, vehicles used on the road by State and local governments; vehicles used by non-profit educational institutions; school buses; intra-city municipal bus systems; and over-the-road intra-city buses are exempt from paying the motor fuel tax. The tax is collected when they purchase fuel and then refunded to them, which they must apply for. When we had this problem with the ethanol incentive in 2004, the way it was addressed was to credit the Highway Trust Fund with the full 18.3 cents per gallon and then provide the refund from the general fund. And in this case, when you think about reasons for these exemptions, these are all vehicles that use the roads. And they all should be paying their share. But if there is a reason to relieve these users of that tax, it shouldn't come out of the Highway Trust Fund. There is a better way of doing it, which would be to reimburse them from the general fund. Ms. Drake. Next question, Mr. Chairman, is, do you have any other suggestions other than gas tax or these exemptions of getting additional money in this fund. You are probably aware in Virginia that the Governor and the general assembly have just agreed on a pretty comprehensive plan State-wide and in various regions and have a lot of different mechanisms. So I just wondered if your industry has looked at, are there other things that should be proposed? Mr. Buechner. Our industry has, and this will be the subject of another hearing, a proposal that we have for addressing our highway investment needs with a separate sub- fund in the Highway Trust Fund that would involve user fees levied on shippers. It is something that we have fleshed out and we can provide it to you. And we will do that. Ms. Drake. Thank you. I also wonder if your industry, how involved they are in alternative fuels, and just wanted to point out to you that Old Dominion University in Norfolk, Virginia is working on a bio-diesel that is created from algae. Higher carbon content than corn or soy, but very interesting work that maybe they would like to take a look at. I wanted to ask Mr. Pisarski, you mentioned in your testimony about transit and other modes receiving money from the Highway Trust Fund. I am wondering if you think that maybe that should be changed and the money in the Highway Trust Fund should be for highways and if we should look at other alternatives for transit and other modes? Mr. Pisarski. I think we certainly should be looking for other alternatives. The pressure that has been put on the Highway Trust Fund, trying to meet these new goals, has, I think, exhausted it. And to open it up to general revenue and other alternative sources, just as Dr. Buechner was saying, it is not that you don't think those things are valuable, attractive or useful, it is just that as they use the road they should be paying for it. You want to look for other alternatives to support them, general revenue or other mechanisms. Ms. Drake. Thank you. Thank you, Mr. Chairman. I will yield back. Mr. DeFazio. Thank you. Mr. Mitchell? No? Okay. We are back now to Mr. Bishop. Mr. Bishop. Thank you, Mr. Chairman. Thank you for having this hearing. What I would like to explore, if I could hear from all of you is what your thoughts are on resolving the dilemma. Clearly one policy imperative that we have on the national level is to drive down fuel consumption and increase fuel efficiency. If we do that, we depress revenue going into the Highway Trust Fund. Mr. Sperling, you talked about perhaps finding some way of taxing vehicles, or is it feasible to tax vehicles that receive poor emissions ratings or poor environmental ratings. I would just be interested in hearing from all of you on what is the most constructive way to resolve that dilemma. Because obviously, both ends are desirable. We want to make sure the Highway Trust Fund is adequately funded. We want to drive down consumption. How do we reconcile two mutually attractive goals that are at odds with one another? Mr. Marron. I guess I will go first, so we will be in order. Again, not making any recommendations but just looking at the playing field, clearly increasing the gasoline tax would have both of those effects, would have the effect of discouraging driving, encouraging more fuel-efficient cars. But we are in a range where the consumer reactions are such that you would nonetheless raise significantly more revenue. So that would accomplish the twin goals that you laid out. In addition, various proposals for having tolling and then having the revenues from tolls go into the Trust Fund would again have the effect of discouraging some driving and being a revenue source. Mr. Buechner. I frankly can't add much to that. The notion of raising the gas tax is certainly going to be helpful to the Highway Trust Fund. To the extent that it does resolve some of these other issues, that would be very helpful as well. Mr. Bishop. Thank you. Mr. Sperling? Mr. Sperling. Yes, I think it will not be difficult to adjust the taxes based upon the quality of the fuels. I say that because in the next few years, it s going to be done, there is going to be a system put in place, in California we are doing it, as I mentioned, the low carbon fuel standards, where we are developing, this is getting kind of sophisticated, where we are taking from the academic world this concept of life cycle analysis, life cycle emissions, and we are codifying it. We are putting it into law in California. The U.S., at the Federal level, is probably going to be doing the same thing because of the renewable fuels program, renewable fuels standard that is floating around in Congress and the Executive Branch right now. The EU is doing that, the U.K. is doing that. So this idea of being able to label the fuels and track them is something that is going to be done anyway. So to attach taxes to it, fuel taxes, will not require any major new institutional apparatus. Mr. Bishop. Okay, thank you. I yield back, Mr. Chairman. Mr. DeFazio. I thank the gentleman. Mr. Boozman? Mr. Boozman. Thank you, Mr. Chairman. Have any studies been done on exactly what the effect of increasing the fuel cost is in the sense that, you know, you go to Europe and it looks to me like they have the same problem that we do. If Americans can get there in a reasonable length of time and there is parking, it looks to me like they are going to drive their cars, unless we get dramatically higher, and if we get dramatically higher, none of use are going to vote for that, because the American people won't tolerate it and I think rightfully so. So it really is just a complex thing. But is there a study like that that indicates at what point you really do affect, because it does seem that especially in America, that people again, to me the thing that really mitigates whether or not they are going to do it is the parking problem. Yes, sir? Mr. Sperling. Yes, there has been some good research, including with some of my colleagues, over the last few years. We have found just what you are saying, that the idea, we use this concept of elasticity of demand. And it used to be, back in the 1970s, that for every 10 percent increase in fuel price, you would get about a 3 percent reduction in fuel consumption, gasoline consumption. Now for every 10 percent, we are getting about a half percent reduction. In other words, consumers are very inelastic, compared to almost any other product. We have seen that, all you have to do is look at the statistics the lats few years. Prices doubled and there was very little effect on gasoline consumption. So certainly some people were hurt by those high fuel prices. But the overall effect is that people are not responsive to high prices. So when we talked about gas taxes, we should be thinking about why do we want high gas taxes. It probably won't change behavior very much. It will have two effects, of course, it generates more revenue and it does raise the threshold for investors in alternative fuels. That is a very important concept to keep in mind. Mr. Boozman. I think you can impact the size of cars, the fuel efficiency and people will buy smaller cars and gravitate that way, that have a higher fuel economy. But it is just an interesting phenomenon. Mr. Marron? Mr. Marron. Yes, sir, I just wanted to say that in our estimates, I think it is important to distinguish between the short run effect and the longer run effect. What we have seen from recent price increases is that over the short run, people are quite inelastic in their demand for gasoline. There is some effect, but it is quite small, as the other witness mentioned. Over long time periods, as you were just hinting, there are more margins along which people can respond in terms of choosing their car, choosing their transportation patterns. So there is some noticeable effect. In the elasticity terms, as you mentioned, over the longer run, we have an estimate of about 30 percent in those terms. So if you increase gas prices 10 percent, you would see about a 3 percent reduction in use, which is not enormous, but is something. Mr. Boozman. So do you think we will wind up with some hybrid? Certainly the problem of taxing a battery-powered car, and we do have battery-powered cars now that will run 150 miles an hour, go 200 miles and things. They are working hard to shrink the size of the battery. That problem, compared to a gasoline engine that gets 50 miles to the gallon is a different animal. So do you think we will ultimately wind up with some hybrid, taxing those two differently? Mr. Buechner. I would think, the one fuel that does cause a problem is electric cars. Because that is a fuel that can be delivered without requiring a separate delivery system. But fuels like gasoline, hydrogen, natural gas, can't be delivered directly to the consumer except going through a system where you could find a place to tax them. So electric cars will pose a problem. But I think any of the other alternative fuels, so long as there is a separate delivery system and you can impose a tax at some point that can be collected, you just have to set your base and set what the rate will be. In fact, even natural gas used in automobiles is taxed at the same rate today as gasoline. So there is just that one problem with electric cars that I see as a long-term problem. Mr. Boozman. But you have to fix that one, or you will drive people into, they will gravitate to the other to escape the tax if it is not done. My time is up. Thank you, Mr. Chairman, and thank you all very much. Mr. DeFazio. Thank you. Mrs. Capito? Mrs. Capito. Thank you, Mr. Chairman, and I thank the gentlemen, too. We have talked along and around the question that I am getting ready to ask. So if you have already answered it specifically, I apologize. In West Virginia, we tag part of our, a portion of our State gasoline tax is pegged to the price of gasoline, it is recalibrated every year. The past year, the Governor suspended that growth in the tax as a measure to try to keep the price of gasoline down. It ended up costing $53 million to the State, and now he is scrambling to try to make that up to match. Have you all ever looked at tagging a portion of the Federal gas tax so that every year, I guess either it would be indexed or indexed to a portion of the price of gas? Is this a concept that you have taken from, say, our State and tried to extrapolate in the Federal system? Mr. Buechner. There are two alternative ways of doing that. The one that you use in West Virginia, which is a sales tax levied as a percent of the sales price, will fluctuate up and down as the price of gasoline changes. But an alternative is to link the tax rate to an index that is somewhat related to the cost of highway construction. One possible index is the consumer price index. There are other indexes that partially, at least, track the cost of highway construction. Either way, year after year, the tax rate is adjusted so that you can actually maintain the same amount of highway investment. There are other States that use the sales tax approach. They find that it is a little bit disruptive to their planning, because it does go up and down with the price of gasoline. Mrs. Capito. I had another question on public-private partnerships. In a State like West Virginia, even though we are a small State, the cost of building our highways is extremely high, because of our terrain. The cost of building per mile is so much more than what you would normally think in a State the size of ours. So we are trying to look at public-private partnerships for financing road construction. What do you see the future of that? I just had some folks in my office earlier this morning who are not in favor of that because they want to know, does the public money become private or does the private money become public, and how does that work? And then it also raises the issue, I think, of toll roads, which is a little bit separate. Do you all have an opinion on that public-private financing aspect of road construction? Mr. Pisarski. I guess I will start the trouble by responding. I think there are many opportunities that we are all looking at because of the lack of funds both at the State and at the Federal level, and we should be open to them. In many instances, in the State of Virginia, for instance, and other States, it has been an effective tool. But I have a feeling that we are moving very fast into some of these things and not very carefully in some cases. I think we are going to find out that there are problems that begin to arise that we weren't prepared for. So I guess my concern would be, I am very open to it, I am very positive about it, but I would really want to be very careful as we proceed. Mrs. Capito. One of the questions that came up today in our discussion was if the construction becomes more of a private emphasis than a public emphasis, are there safety issues involved, what standards are these construction dollars going toward? I think that is a legitimate question and one, I would agree with you that we would need to go into if we are going to go that direction or look at it seriously, we ought to look at some pilot studies or something to see that we don't all of a sudden think this is a panacea, this is the greatest thing and it ends up unsafe conditions and less checks and balances. I yield back. Thank you. Mr. DeFazio. Mr. Boustany? Mr. Boustany. Thank you, Mr. Chairman. Mr. Pisarski, the backlog figure you gave as an estimate, $375 billion to $400 billion, is that just a Federal backlog or does that include State? Mr. Pisarski. That is the national backlog that comes out of the Condition and Performance report and analysis of the conditional performance report. Mr. Boustany. Okay. Because many States have backlogs, too. I know for instance my State of Louisiana has about a $13 billion backlog, and we are struggling with how to deal with that back home. Most of you or all of you talked to some extent about increasing the gasoline tax. What about the States? States are looking to increase gasoline tax, so it seems to me that we are heading for a brick wall on this. So that becomes a problem. I know you partially answered my question, when Mr. Bishop asked about whether or not assuring adequate funding and reducing greenhouse gases, are they mutually exclusive goals and how do we go about it. You brought up the issue of adjusting tax based on fuel quality. How complicated is that? And how would we pay for that? And would paying for it come out of the Highway Trust Fund? Mr. Sperling. As I said earlier, I think institutionally it can be done, and it will be actually in five or six years, I think it will be easier to do, because we are putting all the systems in place to do it for other reasons for these carbon standards, using life cycle models and metrics and so on. So I think that is all going to be codified and fairly routine. Then in terms of the revenue stream, you can make it revenue neutral in the sense that you can make sure that trajectory goes up at whatever slope you want by the mix. Because we can forecast, five years out we can forecast very well. Fifteen years, the crystal ball gets a little hazy. But five years, eight years, we can do pretty reliably. So we can project ahead, I think, without too much trouble. Mr. Boustany. Do you have a sense of what the cost will be to make that transition? Mr. Sperling. The cost to, in a sense, society? Mr. Boustany. Just the actual cost to be able to set up a system whereby you can create these adjustments on the fuel tax based on fuel qualities? There is obviously some cost involved in making a transition to that type of model. Do you have a sense of what the cost would be? Mr. Sperling. I think because we are doing it anyway, the additional cost in a sense to the this gas tax system would be minor, very, very minor, almost negligible, because we would be doing it, we will be doing it anyway. Mr. Pisarski. Going back to your first question about State taxes, historically what has happened is when you see a Federal gas increase, then a lot of the States recognize that in order to match the Federal funds they are going to need an increase in funds. You will frequently see State taxes follow along. It is always a very effective tool at the State level to, in effect, justify a tax increase as it is needed to be able to match the Federal response. Another item I wanted to add, going back in history, this is during the last energy crisis. The big bump-up in 1979 where I was in the Department of Transportation and the price was very high by those standards. One of the arguments that we used on the gas tax increase was that for every ten cents a gallon that the price of gasoline dropped we added one cent in Federal tax. So that as the gas prices dropped 30 or 40 or 50 cents, you would pick up one penny, you would pick up a penny Federal gas tax for every 10 cents the price dropped. Obviously it would effectively disappear. I think that kind of notion was very clear. We also offered the States an arrangement where you would take a penny off the Federal tax for every penny that the State tax rose. And we had no takers. Mr. Boustany. Have we become conditioned with regard to the elasticity now? Because earlier, when there were oil shocks, clearly there was a major decrease in utilization. It seems to me that as a society, we have become much more conditioned. So that has created this inelasticity. Mr. Pisarski. Yes. I follow the consumer expenditure survey very closely. What people tend to do is they take it out of other transportation expenditures. They are less likely to buy a new car because they are going to wait and hold it longer, because their transportation costs are high this year. Unless they are trying to find something that is really fuel efficient. They tend to hold their share of total income roughly constant going for transportation. Mr. Boustany. Thank you . My time is up and I yield back. Mr. DeFazio. I thank the gentleman. Mr. Duncan? Ms. Fallin? Ms. Fallin. Thank you, Mr. Chairman. I actually do not have a question, but as I was listening to the debate something came across my mind. In my State of Oklahoma, I remember we put a proposal to the vote of the people about whether to raise their gasoline taxes. So I was sitting here trying to remember what all was the percentage of the vote. I think it went down by like 75, 80 percent, people that voted against a gasoline tax increase. So that was kind of the mood of our State back, I think it was about three or four years ago. One of the biggest concerns we have in our State is just getting back a good share of the money we send into the Federal Government. Of course, Oklahoma has always been a donor State. So I guess if anything ever came about that the taxes were changed, my State would certainly want to get back its fair share. That is probably not a question, but just a statement about our State. Thank you, Mr. Chairman. Mr. DeFazio. It is good representation. We thank you for being a donor. My State was until very recently a donor State. So I know how it goes, that is always a big debate. For perspective, my State repeatedly turned down a gas tax increase until it was linked to, it was instead of just raising the tax, it was a specific problem, which was failing bridges, was identified. And the tax increase was dedicated to a very large bond issuance to retire the bonds. So people saw immediately quite a substantial investment. At that point they were willing to vote for it, because they said, okay, we see what we are going to get now, and it is quite substantial. And they were willing to vote for it. But if it was just sort of, well, we are going to raise the gas tax, they were--so. Mr. Duncan? Mr. Pisarski. May I comment on that, sir? Mr. DeFazio. Sure. Mr. Pisarski. I think that is absolutely right. At the State level, it is very frequently tied to a menu. ``This is what we will do if you give us this money.'' And at the Federal level, I think it is the same thing, rather than simply talking about more money. You need to have a vision, as I made the point in my testimony. If we were talking about the preservation, protection, expansion and effective utilization of the interstate system, I think the public would understand that kind of a concept. Mr. DeFazio. Or if we were talking about Mr. Sperling's infrastructure deficit and we were issuing infrastructure deficit bonds, which were retired by a small increment on the gas tax. Mr. Pisarski. Yes. Mr. DeFazio. Just an idea. I didn't make a formal proposal, in case there is any press here. Mr. Duncan? Mr. Duncan. Thank you, Mr. Chairman. Mr. Marron, you mentioned in your testimony that Trust Fund spending has exceeded Trust Fund revenues by about $16 billion since 2001. Was there any time where Trust Fund spending exceeded revenues prior to that? Mr. Marron. Which way do you want it, a period during which outlays were previously higher than revenues? Mr. Duncan. Right. Mr. Marron. My crack folks are looking at their tables here. Actually, I think I have a graph in the testimony that addresses that. So Figure 1, you can see outlays exceeding revenues kind of in the 1994 time period, and then a few years occasionally prior to that. Mr. Duncan. Mr. Sperling, you say in your testimony, large drop-offs in fuel tax revenue are unlikely for the next 10 years. Funding gaps can easily be solved over the next 20 years or so with very small increases in the fuel taxes. Yet we are already off from the projections that we got last year. I am wondering, I guess what I am wondering about, some people are already saying that troubles in Iran are going to lead to really big increases in the cost of oil. What would happen if that, if the price of oil doubled here in the next year or two? You said that with each 10 percent increase in the cost of gas that there was a 3 percent decrease? What was it you said about that? Mr. Sperling. I said that is what it used to be. Now it is like half of a percent to 1 percent. Mr. Marron said that in the long term, it would be back to 30 percent. I would disagree with that, or I would suggest that is likely not true, because while theoretically correct, I am the professor, but I am going to argue against the theory, in practice what we have seen is oil prices fluctuating up and down. What has happened is people have been conditioned to believe that oil prices are not going to stay high. So in fact this so-called long term response or long term elasticity never happens, or hasn't happened the last 25 years. From what I understand about oil markets, it is probably not going to happen in the future either, because the fundamental cost of production of oil is maybe $25, $30 a barrel. There are a lot of countries making an awful lot of profit. It is actually much less than $25 in almost all cases. So the price of oil, if you talk to any expert, the price of oil can be anywhere, including the CEO of Exxon, the price of oil can be anywhere from $30 to $70 to $80 and they really can't predict that. So your scenario is very possible. But the question is, what is the consumer response. It is not at all clear that there ever will be this, it is not clear that the price is going to stay very high for a long time. And it is not clear that consumers are going to have any kind of fundamental, durable, lasting response to high prices whenever they do happen. Mr. Duncan. Well, you know, none of these things are easy. You said it can easily be solved with a very small increase in the fuel taxes, yet Dr. Buechner mentioned removing the exemptions. Yet the main exemptions are for the State and local governments and transit agencies and I can tell you that every one of us is being bombarded every day by people from State and local governments who are up here trying to get more money. If we start removing those exemptions, boy, they will scream to high heaven. Then you talk about tolls, I can tell you, in my State there are no tolls. If we start putting those in, if people thought I was responsible for a toll, I would be voted out in the next election with no question about it. [Laughter.] Mr. Duncan. The fuel tax, the Chairman noted in almost every State they vote those down every single time. Maybe it would be possible to do a tiny little increase if you tie it into some project that is very popular. But it just looks like you have a very difficult situation there. What do you say, Mr. Pisarski? Mr. Pisarski. Yes, it is difficult. If you look at where there have been successes and where there have been failures, success is always tied to a program where the people trust the State government, the State DOT, to do a good job and where they have laid out a menu or laid out a program. In most of the cases that I have seen, I am thinking of Ohio as one of the best examples, where they were very sorry that they had not asked for more after they succeeded. There are a number of States that have succeeded in creating indexes. So there is, I think, more concern than there needs to be. I think the public recognizes these needs and we just need to make that case to them better. I look at the European system, going to your question about the price of oil. If you count the taxation, the value of a barrel of oil in Europe coming out of the ground is like $300 a barrel. And it doesn't come out of the ground with tax on it. So I guess my point is that there is an immense benefit to the society, to every society, from the automobile and from the use of petroleum fuels. People are willing to pay immense sums for that benefit and the Europeans have discovered that. That is why their tax system is so high. Mr. Duncan. Well, you talk about trusting the State DOTs, I am not sure, actually through, pretty much through no fault of their own, most of the State DOTs are not that popular. I remember in Knoxville, we used to have a mayor and I didn't get in any public dispute with him, but he used to attack the State DOT all the time because they were doing all this highway construction there in Knoxville. And it was very unpopular while it was going on. But what I told people, I said, well, if the interstate in West Knoxville, just think if it was still two lanes instead of five like it is now. My gosh, we would have been in a horrible situation. So you have to put up with it. Now I think it is popular, but it sure wasn't for those several years while we were going through it. All right, well, thank you very much for your testimony. You have been a very helpful and informative panel. Thank you, Mr. Chairman. Mr. DeFazio. Thank you. Any other questions? Okay. With that, I thank you for your testimony and this committee is now adjourned. 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