TRANSPORTATION ENERGY DATA BOOK: EDITION 22 - Center for ...

3–6
Most U.S. carbon dioxide emissions come from petroleum fuels (98%). Motor gasoline has
been responsible for about 60% of U.S. carbon dioxide emissions over the last twenty years.
Table 3.5
U.S. Carbon Dioxide Emissions from Energy Use in the Transportation Sector, 1980–2000
(million metric tons of carbon)
1980 1990 2000
Fuel Emissions Percentage Emissions Percentage Emissions Percentage
Petroleum
Motor
gasoline 238.1 62.9% 260.5 60.3% 301.5 58.6%
LPGa 0.3 0.1% 0.4 0.1% 0.2 0.1%
Jet fuel 42.0 11.1% 60.1 13.9% 68.5 13.3%
Distillate fuel 55.3 14.6% 75.7 17.5% 106.6 20.7%
Residual fuel 30.0 7.9% 21.9 5.1% 23.1 4.5%
Lubricants 1.8 0.5% 1.8 0.4% 1.8 0.3%
Aviation gas 1.2 0.3% 0.8 0.2% 0.7 0.1%
Subtotal 368.7 97.4% 421.2 97.5% 502.5 97.6%
Other energy
Natural gas 9.4 2.5% 9.8 2.3% 11.4 2.2%
Electricityb 0.3 0.1% 0.7 0.2% 0.9 0.2%
Total 378.4 100.0% 432.8 100.0% 514.8 100.0%
Source:
U.S. Department of Energy, Energy Information Administration, Emissions of Greenhouse Gases in the
United States, 2000, Washington, DC, November 2001, Table 8, and annual. (Additional resources:
www.eia.doe.gov)
a Liquified petroleum gas.
b Share of total electric utility carbon dioxide emissions weighted by sales to the transportation sector.
TRANSPORTATION ENERGY DATA BOOK: EDITION 22—2002