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

Green Car Congress

The blendstocks all have the potential to reduce life-cycle greenhouse gas emissions by at least 60 percent. Six of these blendstocks had the fewest significant practical barriers to adoption and use: di-isobutylene; ethanol; isobutanol; n-propanol; isopropanol; and a fusel alcohol blend. Gaspar, Daniel J., West, Brian H.,

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

. … To achieve continued improvement in engine efficiency and CO 2 emissions, it is critical to quantify the roles of fuel octane rating and alcohol content. Alcohol and gasoline-alcohol blends also offer efficiency benefits independent of their octane value. Davis, Asim Iqbal, Ronald A. —Leone et al.

Engine 150