TABLE 75/76a Change in Carbon Dioxide Emissions by Mode: 1991-2001

TABLE 75/76a Change in Carbon Dioxide Emissions by Mode: 1991-2001

Index: 1991 = 1.00

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  1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001
Passenger cars 1.00 1.00 1.03 1.04 1.04 1.06 1.05 1.08 1.10 1.11 1.13
Light-duty trucks 1.00 1.06 1.10 1.13 1.18 1.22 1.26 1.29 1.34 1.35 1.38
All other trucks 1.00 1.02 1.05 1.12 1.17 1.22 1.27 1.33 1.40 1.45 1.47
Buses 1.00 1.01 1.07 1.13 1.13 1.17 1.19 1.23 1.37 1.33 1.23
Total highway 1.00 1.02 1.05 1.08 1.11 1.14 1.16 1.19 1.23 1.25 1.27
Alternative fuel vehicles 1.00 0.92 1.08 1.75 1.00 0.92 0.92 1.08 0.92 1.08 1.00
Aircraft (1) 1.00 0.99 0.99 1.04 1.01 1.06 1.06 1.08 1.10 1.15 1.09
Boats and vessels 1.00 1.22 1.06 1.07 1.13 1.05 0.73 0.60 0.84 1.30 1.27
Locomotives 1.00 1.03 1.06 1.17 1.21 1.25 1.24 1.28 1.34 1.33 1.35
Other (2) 1.00 1.01 1.02 1.07 1.08 1.11 1.14 1.06 1.04 1.07 1.15
Total 1.00 1.02 1.04 1.08 1.10 1.13 1.13 1.15 1.19 1.23 1.24
International bunker fuels (3) 1.00 0.92 0.83 0.82 0.84 0.85 0.92 0.94 0.88 0.84 0.81

(1) Aircraft emissions are from all jet fuel (less bunker fuels) and aviation gas consumption.

(2) "Other" carbon dioxide emissions are from motorcycles, construction equipment, agricultural machinery, pipelines, and lubricants.

(3) Emissions from international bunker fuels include emissions from both civilian and military activities, but are not included in totals.

NOTE: Highway total includes passenger cars, buses, light-duty trucks, and other trucks.

SOURCE: U.S. Environmental Protection Agency, Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2001, (Washington, DC: April 2003), table 1-14, also available at http://www.epa.gov, as of June 2003.