article thumbnail

Team from GM, Ford, FCA reviews how to calculate engine efficiency benefits of high octane fuels

Green Car Congress

Alcohol and gasoline-alcohol blends also offer efficiency benefits independent of their octane value. Of these factors, the compression ratio is the predominant design factor that would be adjusted in future engines in response to a significant change in fuel octane ratings. Shelby, and William M. Leone, James E.

Fuel 150