Search results
Results From The WOW.Com Content Network
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 ]
However, due to increases in corn crop yield and more efficient farming practices corn ethanol had gained energy efficiency. [ 3 ] Ken Cassman , a professor of agronomy at the University of Nebraska–Lincoln , said in 2008 that ethanol has a substantial net positive direct energy balance: 1.5 to 1.6 more units of energy are derived from ...
A diesel cycle engine can be as much as 40% to 50% efficient at converting fuel into work, [2] where a typical automotive gasoline engine's efficiency is about 25% to 30%. [3] [4] In general, an engine is designed to run on a single fuel source and substituting one fuel for another may affect the thermal efficiency.
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.
The government will raise the limit on ethanol concentration in gasoline for some cars. The Environmental Protection Agency will raise the limit to as much as 15%, from the current 10%, for ...
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.
Those in need of even more fuel efficiency can always go for the compact sedan's available hybrid powertrain. For a sharp-looking sedan that starts just north of $20,000, the Elantra is an ...
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 ]