Table 4-17:  Class I Rail Freight Fuel Consumption and Travel,,,,,,,,,,,,,,,,
,1960   ,1965   ,1970   ,1975   ,1980   ,1985   ,1990   ,1991   ,1992   ,1993   ,1994   ,1995   ,1996   ,1997   ,1998   ,1999   
Number in use,,,,,,,,,,,,,,,,
   Locomotivesa,"29,031","27,780","27,077","27,846","28,094","22,548","18,835","18,344","18,004","18,161","18,505","18,812","19,269","19,684","20,261","20,256"
   Carsb,"1,965,486","1,800,962","1,784,181","1,723,605","1,710,827","1,421,686","1,212,261","1,189,660","1,173,136","1,173,132","1,192,412","1,218,927","1,240,573","1,270,419","1,315,667","1,368,836"
Miles traveled (millions),,,,,,,,,,,,,,,,
   Freight train-milesc,404,421,427,403,428,347,380,375,390,405,441,458,469,475,475,490
   Locomotive unit-miles,N,N,N,"1,479","1,531","1,228","1,280","1,238","1,278","1,320","1,405","1,445","1,465","1,423","1,440","1,504"
   Car-miles,"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"
Average miles traveled per vehicle (thousands),,,,,,,,,,,,,,,,
   Locomotives,N,N,N,53.1,54.5,54.5,68.0,67.5,71.0,72.7,75.9,76.8,76.0,72.3,71.1,74.2
   Cars,14.3,16.3,16.8,16.0,17.1,17.5,21.6,21.5,22.3,22.9,23.9,24.9,25.6,24.9,24.8,24.7
Average miles traveled per gallon,,,,,,,,,,,,,,,,
   Trains,0.12,0.12,0.12,0.11,0.11,0.11,0.12,0.13,0.13,0.13,0.13,0.13,0.13,0.13,0.13,0.13
   Cars,8.13,8.17,8.43,7.56,7.50,8.01,8.40,8.82,8.69,8.71,8.54,8.73,8.86,8.86,9.11,9.11
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"
Average fuel consumed per locomotivea (thousand gallons),119.3,129.3,130.9,131.3,139.0,137.9,165.4,158.4,166.9,170.0,180.2,185.0,185.7,181.6,176.8,183.4
KEY:  N = data do not exist.,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,
"a  For 1960-80, the total includes a small number of steam and electric units, which are not included in the per locomotive fuel consumption figure.",,,,,,,,,,,,,,,,
"b  Includes cars owned by Class I railroads, other railroads, and car companies and shippers.",,,,,,,,,,,,,,,,
c  Based on the distance run between terminals and/or stations; does not include yard or passenger train-miles.,,,,,,,,,,,,,,,,
,,,,,,,,,,,,,,,,
SOURCES:,,,,,,,,,,,,,,,,
All data except for locomotive unit-miles:,,,,,,,,,,,,,,,,
"Association of American Railroads, Railroad Facts (Washington, DC: October 2000), pp. 33, 34, 40, 48, 50.",,,,,,,,,,,,,,,,
Locomotive unit-miles:,,,,,,,,,,,,,,,,
"1975-92: Ibid., Railroad Ten-Year Trends (Washington,DC: Annual issues).",,,,,,,,,,,,,,,,
"1993-99: Ibid., Analysis of Class I Railroads (Washington, DC:  Annual issues), p. 29.",,,,,,,,,,,,,,,,