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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 |
| 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 |
| Tons
per car load |
44 |
49 |
55 |
61 |
67 |
68 |
67 |
66 |
66 |
64 |
63 |
65 |
67 |
63 |
64 |
63 |
63 |
64 |
63 |
| 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 |
| 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 |
| 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 |
KEY: Btu = British thermal unit.
a Class I railroads are those that have operating revenues of $272 million or more.
NOTE
The heat equivalent factor used for Btu conversion is 138,700 Btu/gallon.
SOURCE
Association of American Railroads, Railroad Facts (Washington, DC: November 2003), pp. 34, 37, and 40.
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