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

Green Car Congress

A higher compression ratio can be used if an engine will operate primarily at light loads, such that degraded efficiency at high loads is more than offset by improved efficiency at light loads. Shelby, and William M. A higher compression ratio can also be used if an engine will operate on fuel with a higher octane rating.

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Developing Fords EcoBoost Combustion System

Green Car Congress

Ford’s turbocharged, gasoline direct injection EcoBoost engines are targeted to play a significant near-term role in Ford’s efforts to reduce fuel consumption by enabling downsizing. The first application of this technology bundle in a 3.5L port fuel injected (PFI) V8 engine. Earlier post.). Development and Optimization of the Ford 3.5L

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