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Energy Intensity of Class I Railroad Freight Service


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


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.


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