TABLE 14-7a Change in Passenger-Miles of Travel, Energy Consumption, and Energy Efficiency: 1992-2002
TABLE 14-7a Change in Passenger-Miles of Travel, Energy Consumption, and Energy Efficiency: 1992-2002
1992 = 100
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| 1992 | 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 | 2001 | 2002 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Passenger-miles of travel | 100 | 102 | 104 | 105 | 108 | 111 | 115 | 118 | 121 | 125 | 127 |
| Energy consumption | 100 | 103 | 105 | 107 | 109 | 112 | 114 | 119 | 119 | 119 | 121 |
| Energy efficiency | 100 | 99 | 99 | 99 | 99 | 100 | 100 | 99 | 102 | 105 | 105 |
NOTES: To make it easier to compare data of
differing magnitudes over time, the Bureau of Transportation Statistics
divided the data for all years in each category (see table 14-7b) by the
initial year value and multiplied the result by 100.
Passenger-miles of travel (pmt) is the sum of pmt for
certificated air carriers (domestic), passenger cars, motorcycles, light
trucks (other 2-axle, 4-tire vehicles), buses, transit (excluding bus), and
intercity/Amtrak rail. Energy consumption is
the sum of usage by commercial aviation (passenger), gasoline fuel (passenger
cars, light trucks, and buses), and Amtrak (which includes electricity and
distillate/diesel fuels). Passenger
commercial domestic aviation fuel consumption data were estimated from total
commercial domestic aviation fuel consumption data. General aviation data were excluded because
passenger and freight operations data cannot be disaggregated.
SOURCE: U.S. Department of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, calculations based in data on table 14-7b.