Energy Intensity of Class I Railroad Freight Service
Embedded Dataset Excel:
The threshold for classification as a Class I Railroad is based on operating revenues; the 2018 threshold is $489.94 million.
The heat equivalent factor used for Btu conversion is 138,700 Btu/gallon.
KEY: Btu = British thermal unit.
Association of American Railroads, Railroad Facts (Washington, DC: 2019), pp. 37, 40, and 45, and similar tables in earlier editions.