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 tonne-kilometer = 0.684945 ton-miles.
1 kilometer = 0.621371 miles.
1 tonne = 1.102311310924 short tons.
1 liter = 0.264172 gallons
1 kilojoule = 0.947817 British thermal unit (Btu).
Association of American Railroads, Railroad Facts (Washington, DC: 2019), pp. 37, 40, and 45, and similar tables in earlier editions.