7-8 Alternative Fuel Vehicles in Use: 1995–2011
thousands
| Year | Othera | Electricb | Natural gasc | LPG | Ethanold | Total | 
|---|---|---|---|---|---|---|
| 1995 | 18.7 | 2.9 | 50.8 | 172.8 | 1.7 | 246.9 | 
| 1996 | 20.4 | 3.3 | 60.8 | 175.6 | 4.9 | 265.0 | 
| 1997 | 21.2 | 4.5 | 69.4 | 175.7 | 9.5 | 280.2 | 
| 1998 | 19.8 | 5.2 | 80.0 | 177.2 | 12.8 | 295.0 | 
| 1999 | 19.2 | 7.0 | 92.9 | 178.6 | 24.6 | 322.3 | 
| 2000 | 10.4 | 11.8 | 102.8 | 182.0 | 87.6 | 394.7 | 
| 2001 | 7.8 | 17.8 | 114.4 | 185.1 | 100.3 | 425.5 | 
| 2002 | 5.9 | 33.0 | 123.5 | 187.7 | 121.0 | 471.1 | 
| 2003 | 0.0 | 47.5 | 117.0 | 190.4 | 179.1 | 534.0 | 
| 2004 | 0.0 | 49.5 | 121.2 | 182.9 | 211.8 | 565.5 | 
| 2005 | 0.1 | 51.4 | 120.4 | 173.8 | 246.4 | 592.1 | 
| 2006 | 0.2 | 53.5 | 118.9 | 164.8 | 297.1 | 634.6 | 
| 2007 | 0.2 | 55.7 | 117.2 | 158.3 | 364.4 | 695.8 | 
| 2008 | 0.3 | 56.9 | 117.1 | 151.0 | 450.3 | 775.7 | 
| 2009 | 0.4 | 57.2 | 117.4 | 147.0 | 504.3 | 826.3 | 
| 2010 | 0.4 | 57.5 | 119.2 | 143.0 | 618.5 | 938.6 | 
| 2011 | 0.5 | 67.3 | 121.7 | 139.5 | 862.8 | 1,191.8 | 
aIncludes 85% methanol (M85), neat methanol (M100), and hydrogen fuels. bExcludes gasoline-electric hybrids. cIncludes compressed natural gas (CNG) and liquified natural gas (LNG). dIncludes 85% ethanol (E85) and 95% ethanol (E95). E85 includes only fleet-based vehicles and excludes vehicles with E85 fueling capability that are owned by individuals.
Key: LPG = liquefied petroleum gas.
Source: U.S. Department of Energy, Energy Information Administration, available at www.afdc.energy.gov/data as of September 2014.