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Table 4 Decomposition of transportation energy use in the United States in 2015 [165]. Total does not equal 100% because of rounding

From: Review of the United States energy system in transition

  2015 Energy Use
(EJ) Percentage
Highway
 Cars 7.2 26.3%
 Light Trucks 8.8 32.3%
 Buses/Motorcycles 0.3 1.0%
 Medium/Heavy Trucks 6.3 23.1%
Non-highway
 Air Transport 2.2 8.2%
 Water Transport 1.1 4.0%
 Pipelines 0.8 3.0%
 Rail 0.6 2.2%