Team from GM, Ford, FCA reviews how to calculate engine efficiency benefits of high octane fuels
Green Car Congress
AUGUST 25, 2015
Alcohol and gasoline-alcohol blends also offer efficiency benefits independent of their octane value. In all engines, including the existing on-road fleet, fuel with higher octane ratings can enable more advanced spark timing and combustion phasing under knock-limited conditions. —Leone et al. —Leone et al.
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