Automotive fuel rating
Automotive fuel rating means
(1) For gasoline, the octane rating.
(2) For an alternative liquid automotive fuel other than biodiesel, biomass-based diesel, biodiesel blends, biomass-based diesel blends, and ethanol flex fuels, the commonly used name of the fuel with a disclosure of the amount, expressed as the minimum percentage by volume, of the principal component of the fuel. A disclosure of other components, expressed as the minimum percentage by volume, may be included, if desired.
(3) For biomass-based diesel, biodiesel, biomass-based diesel blends with more than 5 percent biomass-based diesel, and biodiesel blends with more than 5 percent biodiesel, a disclosure of the biomass-based diesel or biodiesel component, expressed as the percentage by volume.
(4) For ethanol flex fuels, a disclosure of the ethanol component, expressed as the percentage by volume and the text “Use Only in Flex-Fuel Vehicles/May Harm Other Engines.”