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1.5 US gallons (5.7 litres) of ethanol has the same energy content as 1.0 US gal (3.8 L) of gasoline. 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)
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]
the amount of energy contained in the final ethanol product; the amount of energy directly consumed to make the ethanol (such as the diesel used in tractors) the quality of the resulting ethanol compared to the quality of refined gasoline; the energy indirectly consumed (in order to make the ethanol processing plant, etc.).
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.
Corn ethanol has yet to be proven to be as cost effective as gasoline due to corn ethanol being much more expensive to create compared to gasoline. [6] Corn ethanol has to go through an extensive milling process before it can be used as a fuel source. One major drawback with corn ethanol, is the energy returned on energy invested , meaning the ...
Most gasoline sold across the country today is blended with 10% ethanol, though 15% blends are becoming increasingly common, especially in the Midwest. The EPA has approved sales of E15 for cars ...
Given its lower energy content, ethanol fuel displaced about 6.4 × 10 ^ 9 US gal (24 × 10 ^ 6 m 3) of gasoline, representing 4.6 percent in equivalent energy units. [29] The EPA announced in November 2013, a reduction in mandated U.S. 2014 ethanol production, due to "market conditions". [83] [84]
Trump is not expected to change this law, which was adopted in 2007 and set a target of 36 billion gallons of ethanol by 2022. Trump Directs EPA to Loosen Rules on Ethanol in Gasoline Skip to main ...