TABLE 10-4b Carbon Dioxide Emissions by Mode: 1992-2002

TABLE 10-4b Carbon Dioxide Emissions by Mode: 1992-2002

Teragrams of carbon dioxide equivalent

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  1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
Passenger cars 564.6 577.5 581.7 582.9 590.1 588.2 608.0 619.1 621.7 623.3 636.9
Light-duty trucks 351.8 367.6 375.5 390.2 404.0 416.2 427.8 446.4 450.1 453.4 465.5
All other trucks 200.6 206.8 220.9 231.2 242.5 254.3 264.3 276.2 286.6 289.2 292.4
Buses 6.9 7.3 7.7 7.7 8.1 8.4 8.6 9.6 9.5 8.9 8.3
Total highway 1,123.9 1,159.2 1,185.8 1,212.0 1,244.7 1,267.1 1,308.7 1,351.3 1,367.9 1,374.8 1,403.1
Aircraft 167.1 168.1 175.9 171.4 180.2 178.9 180.8 186.7 193.2 183.4 177.6
Ships and boats 55.7 48.1 48.4 51.2 47.8 33.4 27.1 38.1 59.1 37.2 52.4
Locomotives 26.3 27.1 29.7 31.0 32.3 32.2 32.8 34.1 34.0 34.6 33.5
Other 92.9 93.8 98.9 99.5 102.9 106.3 98.6 95.8 98.8 104.2 101.0
Total all modes 1,465.9 1,496.3 1,538.7 1,565.1 1,607.8 1,617.8 1,648.0 1,706.1 1,753.0 1,734.1 1,767.5
International bunker fuels 89.6 92.1 94.5 98.4 99.3 106.1 103.8 102.7 102.2 98.5 86.8

NOTE: A teragram = 1 trillion grams. Other carbon dioxide emissions are from motorcycles, construction equipment, agricultural machinery, pipelines, and lubricants. International bunker fuel emissions (not included in the total) result from the combustion of fuels purchased in the United States but used for international aviation and maritime transportation. Thus, aircraft and ships and boats data included in U.S. total emissions involve only domestic activities of these modes as do all other data shown. Alternative fuel vehicle emissions are allocated to the specific vehicle types in which they were classified (i.e., passenger cars, light-duty trucks, and other trucks and buses).

SOURCE: U.S. Environmental Protection Agency, Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2002, (Washington, DC: April 2004), table 2-9, available at http://www.epa.gov, as of May 2004.