Quote:
Originally Posted by Frank Lee
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They aren't the only ones looking at the possibilities of a spark ignited direct injection (SIDI) turbo charged engine with ethanol being used in the process, although Behr and Ricardo corporations working together have been also trying to validate the additional concept of adding in an egr cooler on the gas engine like that of the heavy truck, cooled by the same glycol as the radiator for even more thermal management and efficiency.
Ricardo, Growth Energy announce demo program for EBDI ethanol engine with 30 percent higher fuel economy : Biofuels Digest
“Doing More with Less” - The Fuel Economy Benefits of Cooled EGR on a Direct Injected Spark Ignited Boosted Engine
http://www.ricardo.com/Global/IA/Our...0programme.pdf
All of which goes to show that if you did tune an engine specifically for ethanol rather than gasoline it could extract more power and efficiency at a higher compression rate than those allowed for by conventional flex-fuel vehicles.