What is Natural Gas?
Natural gas, the cleanest-burning fossil fuel, is being used by an increasing number of medium- and heavy-duty commercial vehicles like refuse trucks and delivery vans. Natural gas is stored and used in its liquefied or compressed states. It is most commonly abbreviated as LNG for Liquefied Natural Gas, and CNG for Compressed Natural Gas. While a variety of light-duty natural gas cars were once available, the only factory-produced natural gas car made today in the U.S. is Honda’s Civic GX. Other car models may be developed and sold in the United States as additional focus is placed on natural gas as a fuel source for alternative fuel vehicles.
What is Ethanol?
Ethanol (ethyl alcohol) is the same type of alcohol found in alcoholic beverages. As a fuel, ethanol can be used in more than 30 flex fuel vehicle models that have been designed to run on alcohol, gasoline, or any combination of the two fuels from the same tank. Most ethanol today is produced from corn or sugar cane, although this will change as cheaper cellulosic ethanol made from fast growing woody grasses and other biomass becomes a reality. -greencar
Aug 7, 2009
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