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Summary of the main ethanol blends used around the world in 2013. Several common ethanol fuel mixtures are in use around the world. The use of pure hydrous or anhydrous ethanol in internal combustion engines (ICEs) is only possible if the engines are designed or modified for that purpose, and used only in automobiles, light-duty trucks and motorcycles.
Ethanol-blended fuel is widely used in Brazil, the United States, and Europe (see also Ethanol fuel by country). [2] Most cars on the road today in the U.S. can run on blends of up to 15% ethanol, [6] and ethanol represented 10% of the U.S. gasoline fuel supply derived from domestic sources in 2011. [2]
Most fuel pumps display a sticker that states that the fuel may contain up to 10 percent ethanol, an intentional disparity that reflects the varying actual percentage. In parts of the U.S., ethanol is sometimes added to gasoline without an indication that it is a component.
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By early 2013, about 11 million E85 flex-fuel cars and light trucks were in operation, [10] [11] though actual use of E85 fuel was limited, because the ethanol fueling infrastructure was limited. [46] As of 2005, 68% of American flex-fuel car owners were not aware they owned an E85 flex. [12] [13] Flex and non-flex vehicles looked the same ...
Fuel additives in the United States are regulated under section 211 of the Clean Air Act (as amended in January 1995). The Environmental Protection Agency (EPA) requires the registration of all fuel additives which are commercially distributed for use in highway motor vehicles in the United States, [8] and may require testing and ban harmful additives.
A dish of ethanol aflame. Various alcohols are used as fuel for internal combustion engines.The first four aliphatic alcohols (methanol, ethanol, propanol, and butanol) are of interest as fuels because they can be synthesized chemically or biologically, and they have characteristics which allow them to be used in internal combustion engines.
E10, E 10 or E-10 may refer to: E10 fuel, see Common ethanol fuel mixtures#E10 or less , a mixture of 10% ethanol and 90% petrol Diabetes mellitus type 1 ICD-10 code