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NREL study probes emissions impact of butanol-gasoline blends in light-duty vehicles

Green Car Congress

Summary of significant emissions results from the fuel testing. This study points to the need for more extensive emissions measurements for these new fuels as well as research to gain a better understanding of the biological effects of the NMOG components that they produce, the team concludes. Credit: ACS, Ratcliff et al.

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

Green Car Congress

A team of engineers from GM Powertrain, Ford and FCA have published a detailed review of how to estimate the engine efficiency benefits of higher octane fuel—e.g., fuel with higher ethanol content—for part- and full-load operation for different engine types and fuel assumptions. —Leone et al.

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