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E85 is an abbreviation typically referring to an ethanol fuel blend of 85% ethanol fuel and 15% gasoline or other hydrocarbon by volume. In the United States , the exact ratio of fuel ethanol to hydrocarbon may vary according to ASTM 5798 that specifies the allowable ethanol content in E85 as ranging from 51% to 83%. [ 1 ]
The energy content of ethanol is 76,100 BTU/US gal (5.89 kilowatt-hours per litre), compared to 114,100 BTU/US gal (8.83 kWh/L) for gasoline. (see chart above) A flex-fuel vehicle will experience about 76% of the fuel mileage MPG when using E85 (85% ethanol) products as compared to 100% gasoline. Simple calculations of the BTU values of the ...
As of 2008, there were an estimated 7 million Flex-Fuel capable vehicles on the road in the United States. A recent GM study found that roughly 70 percent of its flex-fuel vehicle owners did not know they could use E85, and fewer than 10 percent did so. [18] Since 2012, the IndyCar Series has utilized E85. [19]
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 fuel has a "gasoline gallon equivalency" (GGE) value of 1.5, i.e. to replace the energy of 1 volume of gasoline, 1.5 times the volume of ethanol is needed. [ 4 ] [ 5 ] Ethanol-blended fuel is widely used in Brazil , the United States , and Europe (see also Ethanol fuel by country ). [ 2 ]
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 ...
Excess volume of the mixture of ethanol and water (volume contraction) Heat of mixing of the mixture of ethanol and water Vapor–liquid equilibrium of the mixture of ethanol and water (including azeotrope) Solid–liquid equilibrium of the mixture of ethanol and water (including eutecticum) Miscibility gap in the mixture of dodecane and ethanol
Ford, [2] GM, [3] and Chrysler [4] offer the following vehicles in the US that use E85 (different models are available outside the US, depending on the country). For 2018-2025, all Flex Fuel Vehicles available for sale are listed. E85 FlexFuel Chevrolet HHR LS 2009 (USA). E85 FlexFuel Chevrolet Impala LT 2009 (USA). U.S. E85 FlexFuel Chevrolet ...