Alternative fuel is generally means fuel ''other than petroleum (gasoline) and alcohol-based products'Alternative fuels' that is used for transportation applications'' are defined by the [[United States|U. This includes S.]] [[Department of Energy]] based on guidelines formed in the followingEnergy Policy Act of 1992. Alternative fuels are those which are substantially nonpetroleum, yeild substatial energy security benefits, and offer substantial environmental benefits.<ref>[[United States|U.S.]] [[Department of Energy]]:Energy Efficiency and Renewable Energy, [http://www1.eere.energy.gov/vehiclesandfuels/epact/petition/index.html Alternative Fuel Designation Authority]</ref>
* methanolThe following are the approved alternative fuels:<ref>[[United States|U.S.]] [[Department of Energy]]: Energy Efficiency and Renewable Energy, [http://www1.eere.energy.gov/vehiclesandfuels/epact/about/epact_fuels.html EPAct Alternative Fuels]</ref> * denatured [[Methanol]], [[ethanol]], and other alcohols[[alcohol]]s * fuel mixtures containing Blends of 85 percent % or more by volume of methanol, denatured ethanol, and other alcohols alcohol with [[gasoline or other ]]*[[Natural gas]] and liquid fuels -- domestically produced from natural gas * liquefied Liquefied petroleum gas ([[propane]]) * hydrogen * coal[[Coal]]-derived liquid fuels * fuels [[Hydrogen]] *[[Electricity]]*Fuels (other than alcohol) derived from biological materials (biofuels such as soy diesel fuel) * electricity (including electricity from solar energy.) P-Series ==References==<references />
The term "alternative fuel" does not include alcohol or other blended portions of primarily petroleum-based fuels used as oxygenates or extenders, i.e. MTBE, ETBE, other ethers, and the 10-percent ethanol portion of gasohol.
[[Category:Energy]]
