Energy Intensity of Class I Railroad Freight Service (Metric)
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 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.
1.055056 kilojoules = 1 British thermal unit (Btu).
Association of American Railroads, Railroad Facts (Washington, DC: 2019), pp. 37, 40, and 45, and similar tables in earlier editions.