Highway vehicles were responsible for 80.7% of all transportation energy use in 2008. Light vehicles make up the majority of highway fuel use.
Transportation Energy Use by Mode, 2008
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Supporting Information
| Mode | Quadrillion Btu | Percentage of Total |
|---|---|---|
| HIGHWAY | 21.7 | 80.7% |
| Light vehicles | 16.4 | 61.3% |
| Buses | 0.2 | 0.7% |
| Medium/heavy trucks | 5.0 | 18.7% |
| NONHIGHWAY | 5.2 | 19.3% |
| Air | 2.4 | 8.9% |
| Water | 1.2 | 4.6% |
| Pipeline | 0.9 | 3.4% |
| Rail | 0.6 | 2.4% |
| TOTAL | 26.8 | 100.0% |
Source: Davis, Stacy, Susan Diegel, and Robert Boundy, Transportation Energy Data Book: Edition 29, Oak Ridge National Laboratory, July 2010. | ||