
Oxygenates are blended with gasoline to be used in conventional vehicles. The amount of oxygenate use dwarfs the alternative fuel use. Gasoline-equivalent gallons are used in this table to allow comparisons of different fuel types. The latest available data are for 2005.
| Alternative fuel | 2003 | 2004 | 2005 | 2005 percentage |
|---|---|---|---|---|
| Liquified petroleum gas |
224,697 | 211,883 | 188,171 | 3.8% |
| Compressed natural gas |
133,222 | 158,903 | 166,878 | 3.4% |
| Liquified natural gas |
13,503 | 20,888 | 22,409 | 0.5% |
| E85 (a) |
26,376 | 31,581 | 38,074 | 0.8% |
| Electricity (b) |
5,141 | 5,269 | 5,219 | 0.1% |
| Hydrogen |
2 | 8 | 25 | 0.0% |
| Biodiesel |
17,510 | 27,143 | 88,075 | 1.8% |
| Subtotal |
420,451 | 455,675 | 508,851 | 10.3% |
Oxygenates |
||||
| MTBE (c) |
2,368,400 | 1,877,300 | 1,654,500 | 33.6% |
| Ethanol in gasohol |
1,919,572 | 2,414,167 | 2,756,663 | 56.0% |
Total |
4,708,423 | 4,747,142 | 4,920,014 | 100.0% |
Source: U.S. Department of Energy, Energy Information Administration, Alternatives to Traditional Transportation Fuels, 2005, Washington, DC, November 2007, web site www.eia.doe.gov/cneaf/alternate/page/atftables/afvtransfuel_II.html, Table 10. (Additional resources: www.eia.doe.gov)
a Consumption includes gasoline portion of the mixture.
b Vehicle consumption only; does not include power plant inputs.
c Methyl Tertiary Butyl Ether. This category includes a very small amount of other ethers, primarily Tertiary Amyl Methyl Ether (TAME) and Ethyl Tertiary Butyl Ether (ETBE).
