Figure 1 - Energy Intensities of Passenger Modes: 1980-1999

Figure 1 - Energy Intensities of Passenger Modes: 1980-1999

(Btu per passenger-mile)

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Year Automobiles Certified air carriers Transit Intercity Transit Intercity Amtrak
1980 4,166 5,837 2,813 1,082 3,008 3,176
1981 4,038 5,743 3,027 1,051 2,946 2,957
1982 3,939 5,147 3,237 1,172 3,069 3,156
1983 4,098 5,107 3,177 1,286 3,212 2,957
1984 4,010 5,031 3,204 954 3,732 3,027
1985 3,990 5,679 2,421 964 3,461 2,800
1986 4,007 5,447 3,512 870 3,531 2,574
1987 3,875 4,751 3,542 940 3,534 2,537
1988 3,722 4,814 3,415 963 3,585 2,462
1989 3,668 4,808 3,711 964 3,397 2,731
1990 3,864 5,006 3,735 962 3,453 2,609
1991 3,703 4,595 3,811 963 3,710 2,503
1992 3,731 4,482 4,310 964 3,575 2,610
1993 3,814 4,558 4,262 962 3,687 2,646
1994 3,775 4,336 4,609 964 3,828 2,351
1995 3,702 4,282 4,643 964 3,818 2,592
1996 3,683 4,096 4,675 963 3,444 2,783
1997 3,638 4,044 4,744 963 3,253 2,923
1998 3,607 3,981 4,688 963 3,216 2,892
1999 3,635 3,889 4,610 964 3,168 3,063

KEY: Btu = British thermal units.

SOURCE: Stacy C. Davis, Transportation Energy Data Book, Edition 21 (Oak Ridge, TN: Oak Ridge National Laboratory, 2001), tables 2.11 and 2.12.