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U.S. Energy Consumption by the Transportation Sector

Notes: 

Energy consumption (all sectors) differs from totals in table 4-2 for 1990 and subsequent years. 

Description: 

KEY:  Btu = British thermal unit; N = data do not exist; R = revised.

a Sum of primary consumption, electricity, and electrical system energy losses categories.

b Sum of biomass, natural gas, and petroleum categories.

c Beginning from 1980, small amounts of coal consumed for transportation are included in industrial sector consumption.

d Consumed in the operation of pipelines, primarily in compressors, and small amounts consumed as vehicle fuel.

e Includes most nonutility use of fossil fuels to produce electricity and small amounts (about 0.1 quadrillion Btu per year since 1990) of renewable energy in the form of ethanol blended into motor gasoline.

f Incurred in the generation, transmission, and distribution of electricity plus plant use and unaccounted for electrical system energy losses.

Source: 

All except noted: 

U.S. Department of Energy, Energy Information Administration, Annual Energy Review (Washington DC: Annual Issues), tables 2.1a, 2-1e, and 5-13c, available at http://www.eia.gov/totalenergy/data/annual/ as of May 25, 2016.

Natural gas:

Cubic feet: 

1960-70: U.S. Department of Energy, Energy Information Administration, Annual Energy Review 2000, DOE/EIA-0384 (2000) (Washington DC: August 2001) table 6.5.

1975-2015: Ibid., Monthly Energy Review, table 4.3, available at http://www.eia.doe.gov as of May 25, 2016.