FIGURE 8-3 Energy Use by Mode of Transportation: 2011
| Total = 25 quadrillion Btu | Percent |
|---|---|
| Air | 6.7% |
| Rail freight | 2.0% |
| Transit & Amtrak | 0.6% |
| Water | 4.4% |
| Pipeline | 2.8% |
| Light-duty | 61.5% |
| Single-unit truck | 7.0% |
| Combination truck | 14.0% |
| Bus | 1.0% |
KEY: Btu = British thermal unit
SOURCE: Various sources as cited in U.S. Department of Transportation, Bureau of Transportation Statistics, National Transportation Statistics, Table 4-6, Available at http://www.bts.gov as of November 2013.