TABLE K-4 Carbon Dioxide Emissions by Mode: 1994-2004

TABLE K-4 Carbon Dioxide Emissions by Mode: 1994-2004

Teragrams of Carbon Dioxide Equivalent

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  Passenger cars Light-duty trucks All other trucks Buses Aircraft Ships and boats Loco-
motives
Other Total, all modes International bunker fuels
1994 596.3 386.3 258.8 9.0 176.1 49.9 40.4 50.6 1,567.5 94.2
1995 599.0 401.1 268.5 8.9 171.8 51.9 41.8 51.1 1,594.1 98.0
1996 604.7 414.0 277.3 9.2 180.1 49.5 42.5 51.4 1,628.8 99.3
1997 601.8 426.7 298.0 9.7 179.0 34.0 42.7 54.2 1,646.2 106.1
1998 621.5 437.3 306.5 9.8 181.3 27.3 43.0 48.8 1,675.6 103.3
1999 631.2 455.0 322.4 11.0 186.8 37.5 44.6 49.4 1,737.8 102.6
2000 633.4 458.3 337.9 10.8 193.2 55.1 44.6 48.9 1,782.3 102.2
2001 636.5 462.2 337.0 9.9 183.5 48.1 44.8 46.2 1,768.1 98.5
2002 651.6 474.8 351.0 9.5 174.9 57.0 45.2 49.0 1,813.1 89.5
2003 631.3 509.6 347.3 10.3 171.8 49.7 47.1 48.4 1,815.5 84.1
2004 636.4 526.0 365.3 10.3 179.6 54.4 49.8 48.7 1,870.4 94.5

KEY: 1 teragram = 1 trillion grams.

NOTES: Other carbon dioxide emissions are from motorcycles, 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. Aircraft emissions consist of emissions from all jet fuel (less bunker fuels) and aviation gas consumption. 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 (Washington, DC: Annual Issues), table 2-17.