Table 4-25M: 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 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" 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" Tonnes per car load,40,44,50,55,61,61,60,60,60,58,58,59,60,57,58,57,57 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" Energy intensity (Kilojoules/revenue freight tonne-kilometer),606,516,465,486,426,355,302,280,282,279,278,267,265,266,261,260,253 Energy intensity (Kilojoules/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" ,,,,,,,,,,,,,,,,, a Class I railroads are those that have operating revenues of $255 million or more.,,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,, "NOTES: The heat equivalent factor used for joules conversion is 38,655,900 joules/liter.",,,,,,,,,,,,,,,,, Numbers may differ slightly from previous year's metric tables because a higher precision conversion factor was used.,,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,, "SOURCE: Association of American Railroads, Railroad Facts (Washington, DC: November 2001), pp. 34, 37, and 40.",,,,,,,,,,,,,,,,, ,,,,,,,,,,,,,,,,,