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

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These blendstocks are best-suited for light-duty (LD) gasoline BSI engines. The merit function determines potential improvements in engine efficiency, was used to evaluate the performance of candidate bio-blendstocks in blends up to 30%. The blendstocks were identified using a fuel property basis using the BSI merit function.

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DOE Co-Optima researchers identify 6 high-potential blendstocks

Green Car Congress

The merit function quantifies the impact of six fuel properties—research octane number (RON), octane sensitivity (S), heat of vaporization (HOV), flame speed, particulate matter index (PMI), and catalyst light-off-temperature—on boosted SI efficiency.