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As more effort is put into maximizing an engine to take advantage of E85's higher octane rating, engines achieve greater power advantages. One car that has higher power on ethanol is the Koenigsegg CCXR, which on ethanol is the fifth-most powerful production car, with 20% more horsepower on E85 than on gasoline. According to the manufacturer ...
The improvement consists of using dual-fuel direct-injection of pure alcohol (or the azeotrope or E85) and gasoline, in any ratio up to 100% of either, in a turbocharged, high compression-ratio, small-displacement engine having performance similar to an engine having twice the displacement.
Some engines, like your high-revving, high-compression Celica engine are able to make better use of the high octane rate of E85 even with their standard motronic, thus reducing consumption a bit - but they should still require ten to twenty percent more fuel than on gas ! If your engine doesn't consume more on E85, it's running lean !
Years ago, a teacher forced me to read Fernand Braudel's three volume history of the world. While most of the information contained in Braudel's amazing opus has, thankfully, managed to leak out ...
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 3-carbon alcohol, propanol (C 3 H 7 OH), is not often used as a direct fuel source for petrol engines (unlike ethanol, methanol and butanol), with most being directed into use as a solvent. However, it is used as a source of hydrogen in some types of fuel cell; it can generate a higher voltage than methanol, which is the fuel of choice for ...
Ethanol flexible-fuel vehicles have standard gasoline engines that are capable of running with ethanol and gasoline mixed in the same tank. These mixtures have "E" numbers which describe the percentage of ethanol in the mixture, for example, E85 is 85% ethanol and 15% gasoline.
[23] [24] However, this lower energy content does not translate directly into a 34% reduction in miles per U.S. gallon, because there are many other variables that affect the performance of a particular fuel in a particular engine, though for E85 the effect becomes significant. E85 will produce lower mileage than gasoline, and actual ...