Alternative Fuels and Advanced Vehicles
More than a dozen alternative fuels are in production or under development for use in alternative fuel vehicles and advanced technology vehicles. Government and private-sector fleets are the primary users for most of these fuels and vehicles, but individual consumers are increasingly interested in them. Using alternative fuels including electricity and advanced vehicles instead of conventional fuels and vehicles helps the United States conserve fuel and lower vehicle emissions.
Biodiesel is a renewable fuel that can be manufactured from vegetable oils, animal fats, or recycled cooking grease for use in diesel vehicles.
Electricity can be used to power electric vehicles, which are increasingly available.
Ethanol is a widely used renewable fuel made from corn and other plant materials. It is blended with gasoline for use in vehicles.
Hydrogen is a potentially emissions-free alternative fuel that can be produced from domestic resources for use in fuel cell vehicles.
Natural gas is a domestically abundant fuel that can have significant cost advantages over gasoline and diesel fuels.
Propane is a readily available gaseous fuel that has been widely used in vehicles throughout the world for decades.
Renewable diesel is a biomass-derived transportation fuel suitable for use in diesel engines.
Sustainable Aviation Fuel
Sustainable aviation fuel is a fuel derived from renewable feedstocks that enables a reduction in net life cycle carbon dioxide emissions compared to conventional fuels.
Several emerging fuels are considered alternative fuels under the Energy Policy Act and may be under development or already developed and available in the United States.
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Conventional vehicles and engines can be modified to operate using a different fuel or power source.
Alternative fuel prices can fluctuate based on location, time of year, or global market conditions.