CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy
Green Car Congress
JULY 18, 2022
The Multimedia Evaluation (MME) of E15 looked at the effects of increased ethanol content on exhaust emissions in 20 vehicles—all model year 2016 or newer. The study used two fuels—an E10 and E15. The summer-grade E10 fuel was sourced from four different refineries that were selected by CARB.
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