Figure 15-7 - Passenger-Miles of Travel, Energy Consumption, and Energy Efficiency Index: 1991-2001
Figure 15-7 - Passenger-Miles of Travel, Energy Consumption, and Energy Efficiency Index: 1991-2001
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NOTE: For detailed information on data used here, see tables 15-7 and 15-8 in appendix B.
SOURCES: Passenger-miles of travel, ton-miles, and energy use (except transit)— U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics 2003, tables 1-34, 1-44, 4-6, and 4-8, available at http://www.bts.gov/, as of March 2004. Transit energy use—American Public Transportation Association, Public Transportation Fact Book 2003 (Washington, DC: 2003), tables 33 and 35.