## Table 4-25M: Energy Intensity of Class I Railroada Freight Service

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1960 1965 1970 1975 1980 1985 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
Revenue freight tonne-kilometers (millions) 835,555 1,018,882 1,116,600 1,101,187 1,341,653 1,280,372 1,509,566 1,516,728 1,557,470 1,619,560 1,752,990 1,906,268 1,979,686 1,969,394 2,010,092 2,092,813 2,140,261 2,183,347 2,200,194
Car-kilometers (millions) 45,335 47,212 48,103 44,508 47,117 40,105 42,099 41,244 42,049 43,264 45,842 48,897 51,040 50,952 52,556 54,478 55,667 55,109 55,812
Tonnes per car load 40 44 50 55 61 61 60 60 60 58 58 59 60 58 58 58 57 58 57
Fuel consumed (million liters) 13,109 13,597 13,419 13,843 14,778 11,773 11,792 11,000 11,375 11,689 12,621 13,173 13,548 13,533 13,563 14,063 14,006 14,044 14,120
Energy intensity (kilojoule / revenue freight tonne-kilometer) 606 516 465 486 426 355 302 280 282 279 278 267 265 266 261 260 253 249 248
Energy intensity (kilojoule / car-kilometer) 11,178 11,134 10,784 12,024 12,125 11,348 10,828 10,311 10,458 10,445 10,643 10,415 10,261 10,268 9,976 9,979 9,726 9,852 9,780

a Class I railroads are those that have operating revenues of \$272 million or more.

NOTE

The heat equivalent factor used for joule conversion is 38,655,900 joules/liter.

1.459972 tonne-kilometer = 1 ton-mile.

1.609344 kilometers = 1 mile.

0.9071847 tonnes = 1 ton.

3.785412 liters = 1 gallon.

SOURCE

Association of American Railroads, Railroad Facts (Washington, DC: November 2003), pp. 34, 37, and 40.