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420r06003 - Greenhouse Gas Emissions from the U.S...

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- - - Greenhouse Gas Emissions from the U.S. Transportation Sector 1990–2003 Office of Transportation and Air Quality (6401A) EPA 420 R 06 003 March 2006 www.epa.gov
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Greenhouse Gas Emissions from the U.S. Transportation Sector, 1990-2003 March 2006 Prepared by: U.S. Environmental Protection Agency Office of Transportation and Air Quality With support from: ICF Consulting 9300 Lee Highway Fairfax, Virginia 22031
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Transportation GHG Emissions Report How to Obtain Copies You can electronically download this document on the U.S. EPA’s Greenhouse Gas Emissions from Mobile Sources web page at: www.epa.gov/otaq/climate.htm . For Further Information This report was prepared by EPA’s Office of Transportation and Air Quality (OTAQ). Specific questions about the report content may be directed to John Davies at (202)564-9467, or [email protected] For additional information about climate change and greenhouse gas emissions, visit the EPA web site at: www.epa.gov/globalwarming . Released for printing: March 2006 i
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Transportation GHG Emissions Report Acknowledgements ICF Consulting contributed significantly to this effort. The Environmental Protection Agency would like to acknowledge the many individual and organizational reviewers whose work has significantly improved this document. These include: Leif Hockstad, EPA Office of Atmospheric Programs; Mark Schipper, EIA Office of Energy Markets and End Use, Energy Information Administration; Michael Wang, Argonne National Laboratory; Mark DeLucchi, Institute of Transportation Studies, University of California at Davis; Clare Sierawski, USDOT Office of Safety, Energy and Environment; Maryalice Locke, FAA Office of Environment and Energy; Lourdes Maurice, Federal Aviation Administration, Office of Environment and Energy; and John Maples, EIA Office of Integrated Analysis and Forecasting, Energy Information Administration. Preface The United States Environmental Protection Agency (EPA) prepares the Greenhouse Gas Emissions from the U.S. Transportation Sector report to provide researchers, transportation and environmental practitioners, policy makers, and the public with a more complete understanding of greenhouse gas (GHG) emissions from the U.S. transportation sector. GHG emissions estimates in this report are based on the official U.S. Inventory of Greenhouse Gas Emissions and Sinks. In addition, this report highlights factors affecting emissions trends, projections, and emerging issues that may affect emissions in the future. It also includes information on the full life-cycle GHG emissions associated with transportation, GHG emissions from other mobile sources, and uncertainties associated with emissions estimates. ii
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Transportation GHG Emissions Report T ABLE OF C ONTENTS 1 I NTRODUCTION .......................................................................................................... 1 1.1 Background .................................................................................................... 1 1.2 Report Organization ....................................................................................... 1 2 O VERVIEW OF G REENHOUSE G AS E MISSIONS AND T RANSPORTATION ...................... 3 2.1 Background on Greenhouse Gases ................................................................ 3 2.2 Transportation in the Context of U.S. Greenhouse Gas Emissions ............... 5 2.3 Transportation Sources .................................................................................. 7 2.4 GHG Emissions Trends for Major Transportation Sources ........................... 7 3 L IGHT -D UTY V EHICLES – P ASSENGER C
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