Date: June 23, 2011
FOR IMMEDIATE RELEASE
Report Presents Best Policy Options to Reduce Petroleum Use
and GHG Emissions in the
"It is not simply a matter of choosing a single best policy," said Emil Frankel, director of transportation policy,
To achieve earlier, larger, and sustained gains, a longer-term strategy involving a mix of policy measures and impacts on transportation energy demand and supplies is needed. The report was developed to inform policymakers of the pros and cons of available policy options to reduce energy use and emissions over time from cars, trucks, and aircraft -- the
The policy options examined in the report include a range of approaches but are not ranked in any particular order:
· land-use and travel-demand management measures aimed at curbing household vehicle use
· low-carbon standards for transportation fuels
· public investments in transportation infrastructure to increase vehicle operating efficiencies
· transportation fuel taxes
· vehicle efficiency standards, "feebates," and other financial incentives to motivate interest in vehicle efficiency
Because some of the policies are market and demand oriented, others regulatory, and others hybrids of the two, they produce different responses from users and suppliers of transportation vehicles and fuels. They also have different track records of implementation and thus differing prospects for early application.
The report says that any serious actions must ultimately cut the amount of oil used and GHGs emitted from the nation's 225 million cars and light trucks. Policymakers need to look beyond measures that center largely on suppliers of vehicles and fuels and adopt policies that will also cause consumers to respond with strong and sustained interest in saving energy and lowering emissions.
In assessing opportunities for policy, the report says fuel taxes have both the greatest applicability across modes and the widest scope of impact. Raising fuel prices can lead to increased consumer and supplier interest in more fuel-efficient vehicles and operations. It can also reduce the total amount of energy-intensive travel by making it more expensive.
However, political resistance to fuel taxes is high. The federal gas tax, approximately 18 cents per gallon, has not been raised since 1993. To make this a more viable option over time, pursuing innovative ways to use the new tax dollars could help spur and sustain public support.
The committee said that vehicle standards with a more focused impact on vehicle energy and emissions performance have the advantage of familiarity and public acceptance. This advantage is important because it can mean early savings in oil use and emissions. Purchase incentive programs that impose fees on inefficient vehicles to fund rebates on efficient ones -- known as feebates -- may ultimately motivate consumers to buy the newer designs. However, neither efficiency standards nor such purchase incentives will prompt vehicle users to engage in more energy-efficient operations, such as driving less or carpooling more.
Creating an environment less dependent on private vehicles may pay dividends by reducing the total demand for vehicle travel, but this may take decades to bring about through land-use planning and controls. In the meantime, public investment in infrastructure for highways, airways, and waterways can make transportation more efficient while reducing system delays and congestion. These operational benefits may be politically palatable ways to save energy and emissions in the near term, especially if consumers face higher energy prices down the road.
The study was sponsored by the Transportation Research Board. The National Academy of Sciences, National Academy of Engineering,
Maureen O'Leary, Director of Public Information
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Pre-publication copies of Policy Options for Reducing Energy Use and Greenhouse Gas Emissions from U.S. Transportation are available from the Transportation Research Board's bookstore, tel. 202-334-3213, and National Academies Press, tel. 202-334-3313. Reporters may obtain a copy from the Office of News and Public Information (contacts listed above).
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NATIONAL RESEARCH COUNCIL
Transportation Research Board
Committee for a Study of Potential Energy Savings and
Greenhouse Gas Reductions From Transportation
Emil H. Frankel (chair)
Director of Transportation Policy
George C. Eads
CRA International Inc. (retired)
John M. German
International Council for Clean Transportation
Lance R. Grenzeback
Senior Vice President
Cambridge Systematics Inc.
Vice President for Advanced Engineering
Volvo Powertrain North
W. Michael Hanemann1
Department of Agricultural and Resource Economics
Jassim Jaidah Director of Environmental and Natural Resources Program, and
Lecturer in Public Policy
Quality of the Environment Division
Resources for the Future Inc.
Donald L. Paul
William M. Keck Chair of Energy Resources and
John M. Samuels Jr.2
Revenue Variable Engineering LLC
Professor of Civil Engineering and Environmental
Brian D. Taylor
Institute of the Transportation Studies, and
Professor of Urban Planning
Kathleen C. Taylor2
Materials and Processes Laboratory (retired)
General Motors Corp.
Ian A. Waitz
Hunsaker Professor of Aeronautics
Department of Aeronautics and Astronautics
Massachusetts Institute of Technology
James J. Winebrake
Professor and Chair
Science, Technology, and Society/Public Policy Department
Rochester Institute of Technology