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DOE Co-Optima report identifies top ten bio-blendstocks for efficiency in boosted SI engines

Green Car Congress

One of the first of its kind, this comprehensive systematic assessment includes a broad range of biomass-derived molecules and mixtures across many chemical families—more than 400 bio-derived molecules. George, Anthe, Monroe, Eric, Davis, Ryan W., These blendstocks are best-suited for light-duty (LD) gasoline BSI engines.

Engine 207
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Team from GM, Ford, FCA reviews how to calculate engine efficiency benefits of high octane fuels

Green Car Congress

The preflame reactions are a strong function of temperature, so evaporative cooling from the fuel can also play a significant role, which is particularly important for fuels containing alcohol. Alcohol and gasoline-alcohol blends also offer efficiency benefits independent of their octane value. —Leone et al.

Engine 150