Flex Fuel Fairness Act of 2025

This bill requires the EPA to adjust emissions calculations so that flexible fuel vehicles (FFVs) using E85 ethanol count as having 31% lower carbon emissions per mile compared to standard gasoline vehicles. It directly affects automakers who must meet fleet-wide CO2 emissions standards under current regulations. The change would allow manufacturers to use a reduced CO2 value for FFVs in their emissions calculations, based on EPA's assessment that E85 reduces emissions by 37% compared to gasoline. This adjustment applies to how the EPA determines compliance for FFVs under existing Clean Air Act standards.