Table 4-25: 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
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
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
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
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
Energy intensity (Btu/revenue freight ton-mile) 839 714 643 672 589 492 418 388 391 386 385 370 366 368 361 359
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

 

  2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
Revenue freight ton-miles (millions) 1,465,960 1,495,472 1,507,011 1,551,438 1,662,598 1,696,425 1,771,897 1,770,545 1,777,236 1,532,214 1,691,004 1,729,256 1,712,567 1,740,687 1,851,229
Car-miles (millions) 34,590 34,243 34,680 35,555 37,071 37,712 38,955 38,186 37,226 32,115 35,541 36,649 36,525 35,253 37,193
Tons per car load 62.6 64.0 63.3 62.3 61.3 61.0 60.9 61.7 63.1 64.2 63.4 62.9 62.0 61.0 60.9
Fuel consumed (million gallons) 3,700 3,710 3,730 3,826 4,059 4,098 4,192 4,062 3,886 3,192 3,494 3,685 3,600 3,682 3,867
Energy intensity (Btu/revenue freight ton-mile) 350 344 343 342 339 335 328 318 303 289 287 296 292 293 290
Energy intensity (Btu/car-mile) 14,836 15,027 14,918 14,925 15,187 15,072 14,926 14,754 14,479 13,786 13,635 13,946 13,671 14,487 14,421

KEY: Btu = British thermal unit.

a The threshold for classification as a Class I Railroads is based on operating revenues; the 2014 threshold is $475.75 million.

NOTE

The heat equivalent factor used for Btu conversion is 138,700 Btu/gallon.

SOURCE

Association of American Railroads, Railroad Facts 2015 (Washington, DC: 2015), pp. 3, 37, 40, and 43, and similar tables in earlier editions.