Table 4-25M:  Energy Intensity of Class I Railroada Freight Service,,,,,,,,,,,,,,,,,,,,,,,
,1960,1965,1970,1975,1980,1985,1990,1991,1992,1993,1994,1995,1996,1997,1998,1999,2000,2001,2002,2003,2004,2005,2006
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","2,265,056","2,427,347","2,730,131","2,586,920"
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","57,220","59,660","60,692","62,692"
Tonnes per car load,44.4,48.9,54.9,60.8,67.1,67.7,66.6,66.2,66.0,64.4,63.4,65.3,66.6,63.4,64.1,63.4,62.6,64.0,63.3,62.3,61.3,61.0,60.9
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","14,483","15,365","15,513","15,868"
Energy intensity (kilojoule / revenue freight tonne-kilometer),606,516,465,486,426,355,302,280,282,279,278,267,265,266,261,260,253,249,248,247,245,242,237
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","9,785","9,956","9,881","9,784"
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a Class I railroads are those that have operating revenues of $289.4 million or more in 2004.,,,,,,,,,,,,,,,,,,,,,,,
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NOTES,,,,,,,,,,,,,,,,,,,,,,,
"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.,,,,,,,,,,,,,,,,,,,,,
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SOURCE,,,,,,,,,,,,,,,,,,,,,
"Association of American Railroads, Railroad Facts 2007 (Washington, DC: 2007), pp. 34, 37, and 40, and similar tables in earlier editions.",,,,,,,,,,,,,,,,,,,,,