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Table 4-25: Energy Intensity of Class I Railroada Freight Service
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| Revenue freight ton-miles (millions) |
572,309 |
697,878 |
764,809 |
754,252 |
918,958 |
876,984 |
1,033,969 |
1,038,875 |
1,066,781 |
1,109,309 |
1,200,701 |
1,305,688 |
1,355,975 |
1,348,926 |
1,376,802 |
1,433,461 |
1,465,960 |
1,495,472 |
1,507,011 |
1,551,438 |
1,662,598 |
1,696,425 |
1,771,897 |
| Car-miles (millions) |
28,170 |
29,336 |
29,890 |
27,656 |
29,277 |
24,920 |
26,159 |
25,628 |
26,128 |
26,883 |
28,485 |
30,383 |
31,715 |
31,660 |
32,657 |
33,851 |
34,590 |
34,243 |
34,680 |
35,555 |
37,071 |
37,712 |
38,955 |
| Tons per car load |
44.4 |
48.9 |
54.9 |
60.8 |
67.1 |
67.7 |
66.6 |
66.2 |
66.0 |
64.4 |
63.4 |
65.3 |
66.6 |
63.4 |
64.1 |
63.4 |
62.6 |
64.0 |
63.3 |
62.3 |
61.3 |
61.0 |
60.9 |
| Fuel consumed (million gallons) |
3,463 |
3,592 |
3,545 |
3,657 |
3,904 |
3,110 |
3,115 |
2,906 |
3,005 |
3,088 |
3,334 |
3,480 |
3,579 |
3,575 |
3,583 |
3,715 |
3,700 |
3,710 |
3,730 |
3,826 |
4,059 |
4,098 |
4,192 |
| Energy intensity (Btu/revenue freight ton-mile) |
839 |
714 |
643 |
672 |
589 |
492 |
418 |
388 |
391 |
386 |
385 |
370 |
366 |
368 |
361 |
359 |
350 |
344 |
343 |
342 |
339 |
335 |
328 |
| Energy intensity (Btu/car-mile) |
17,051 |
16,983 |
16,450 |
18,341 |
18,495 |
17,310 |
16,516 |
15,727 |
15,952 |
15,932 |
16,234 |
15,886 |
15,652 |
15,662 |
15,218 |
15,222 |
14,836 |
15,027 |
14,918 |
14,925 |
15,187 |
15,072 |
14,926 |
KEY: Btu = British thermal unit.
a Class I railroads are those that have operating revenues of $289.4 million or more in 2004.
NOTE
The heat equivalent factor used for Btu conversion is 138,700 Btu/gallon.
SOURCE
Association of American Railroads, Railroad Facts 2007 (Washington, DC: 2007), pp. 34, 37, and 40, and similar tables in earlier editions.
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