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
| Â | 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% |