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Ethanol (ethyl alcohol) and methanol (methyl alcohol) are two types of alcohol fuels. They can be mixed with gasoline (petrol) if running straight alcohol is not practical. Typically, only ethanol is used widely in this manner, particularly since methanol is toxic. Ethyl alcohol, also known as ethanol or grain alcohol, is a flammable, colorless chemical compound, one of the alcohols that is most often found in alcoholic beverages. ...
In general usage, alcohol (from Arabic al-khwl الكØول, or al-ghawl الغول) refers almost always to ethanol, also known as grain alcohol, and often to any beverage that contains ethanol (see alcoholic beverage). ...
Methanol, also known as methyl alcohol or wood alcohol, is a chemical compound with chemical formula CH3OH. It is the simplest alcohol, and is a light, volatile, colourless, flammable, poisonous liquid that is used as an antifreeze, solvent, fuel, and as a denaturant for ethyl alcohol. ...
The use of alcohol as a fuel for internal combustion engines, either alone or in combination with other fuels, has been given much attention mostly because of its possible environmental and long-term economical advantages over fossil fuel. ...
Gasoline, as it is known in North America, or petrol, in many Commonwealth countries (sometimes also called motor spirit) is a petroleum-derived liquid mixture consisting primarily of hydrocarbons, used as fuel in internal combustion engines. ...
For a list of biologically injurious substances, including toxins and other materials, as well as their effects, see poison. ...
- E10, also frequently called gasohol, is a fuel mixture of 10% ethanol and 90% gasoline that can be used in the internal combustion engines of most modern automobiles. The fuel has been mandated in the U.S. state of Minnesota since 1997, though the state currently has a law that will mandate E20 fuel (20% ethanol) by 2013.
- E15 contains 15% ethanol and 85% gasoline. This is generally the greatest ratio of ethanol to gas that is recommended by auto manufacturers that sell vehicles in the United States, though it is possible that many vehicles can handle higher mixtures without trouble. Flexible-fuel vehicles are designed to take higher concentrations, generally up to 85% ethanol E85.
- E20 contains 20% ethanol and 80% gasoline. This fuel is not yet widely used, but will be mandated by the U.S. state of Minnesota by 2013.
- E85 is a mixture of 85% ethanol and 15% gasoline, and is generally the highest ethanol fuel mixture found in the United States. It is common in Sweden, and there are about 315 public E85 fuel pumps in the U.S. as of 2005, mostly concentrated in the Midwest.
- E95 contains just 5% gasoline and is used in some diesel engines where high compression is used to ignite the fuel, as opposed to the operation of gasoline engines where spark plugs are used.
- E100 is straight ethanol, which is most widely used in Brazil.
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