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Alternative fuels, also known as non-conventional and advanced fuels, [1] are fuels derived from sources other than petroleum. [2] Alternative fuels include gaseous fossil fuels like propane , natural gas , methane , and ammonia ; biofuels like biodiesel , bioalcohol , and refuse-derived fuel ; and other renewable fuels like hydrogen and ...
An alternative fuel vehicle is a motor vehicle that runs on alternative fuel rather than traditional petroleum-based fossil fuels such as gasoline, petrodiesel or liquefied petroleum gas . The term typically refers to internal combustion engine vehicles or fuel cell vehicles that utilize synthetic renewable fuels such as biofuels ( ethanol fuel ...
In a country where corn-based ethanol incites an avalanche of controversy, you may be surprised to know that ethanol isn't the most common alternative fuel. Well, not by the EIA's accounting ...
In creating an alternative fuel source, it is important that the feed, or reaction input, does not overburden the food supply or arable land. Recent focus has been on the use of inedible lipid-based stocks, including brown grease, yellow grease, and algal oil , which place smaller burdens on agricultural production.
Methanol fuel is an alternative biofuel for internal combustion and other engines, either in combination with gasoline or independently. Methanol (CH 3 OH) is less expensive to sustainably produce than ethanol fuel , although it is more toxic than ethanol and has a lower energy density than gasoline .
Substitutional fuels are fuels that can replace, either partially or completely, conventional fuels. It includes biodiesel , biogas , alcohol , myco-diesel , algal fuel , and metal fuel . They have applications to replace conventional fuels in functions such as transportation, although they still compose a small proportion of global fuel sources.
The fuel, often referred to as electrofuel, stores the energy that was used in the production of the hydrogen. [11] Hydrogen fuel is typically prepared by the electrolysis of water in a power to gas process. To minimize emissions, the electricity is produced using a low-emission energy source such as wind, solar, or nuclear power. [12]
The Energy Policy Act of 2005, signed into law by President Bush on 8 August 2005, in its Section 701 requires the federal government's fleet of vehicles capable of operating on alternative fuels to be operated on these fuels exclusively, [42] unless a waiver is granted if the alternative fuel is not reasonably available; or if the cost of the ...