Table 4-25:  Energy Intensity of Class I Railroada Freight Service,,,,,,,,,,,,,,,,,
,1960  ,1965  ,1970  ,1975  ,1980  ,1985  ,1990   ,1991   ,1992   ,1993   ,1994   ,1995   ,1996   ,1997   ,1998   ,1999   ,2000   
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"
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"
Tons per car load,44,49,55,61,67,68,67,66,66,64,63,65,67,63,64,63,63
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"
Energy intensity (Btu/revenue freight ton-mile),839,714,643,672,589,492,418,388,391,386,385,370,366,368,361,359,350
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"
KEY:  Btu = British thermal unit.,,,,,,,,,,,,,,,,,
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a Class I railroads are those that have operating revenues of $255 million or more.,,,,,,,,,,,,,,,,,
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"NOTE:  The heat equivalent factor used for Btu conversion is 138,700 Btu/gallon.",,,,,,,,,,,,,,,,,
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"SOURCE:  Association of American Railroads, Railroad Facts (Washington, DC: November 2001), pp. 34, 37, and 40.",,,,,,,,,,,,,,,,,
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