TABLE 117b Passenger-Miles, Energy Consumption, and Energy Efficiency: 1990-2000

TABLE 117b Passenger-Miles, Energy Consumption, and Energy Efficiency: 1990-2000

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  1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000
Passenger-miles (billions) 3,787 3,815 3,925 3,996 4,082 4,120 4,247 4,376 4,497 4,620 4,737
Energy consumption (trillion BTUs) 14,582 14,167 14,668 15,123 15,404 15,631 16,033 16,399 16,787 17,416 17,355
Energy efficiency (PM/BTU) 0.00026 0.00027 0.00027 0.00026 0.00027 0.00026 0.00026 0.00027 0.00027 0.00027 0.00027

KEY: BTU = British thermal unit; PM = passenger-miles.

NOTES: General aviation data are excluded because passenger and freight operations data cannot be disaggregated. Transit bus data are excluded because those operations are included in highway bus data. Commercial domestic aviation fuel consumption data for passenger and freight operations were estimated from the total commercial domestic aviation fuel consumption.

SOURCES: Passenger-miles and energy use (unless otherwise noted)-U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2002 (Washington, DC: 2002), tables 1-34, 4-6, and 4-8, available at http://www.bts.gov/, as of May 2003. Transit energy use calculated from-American Public Transportation Association, Transit Statistics, tables 30 and 33, available at http://www.apta.com, as of May 2003.