E85 Tax Rate and Definition

The minimum motor vehicle fuel tax rate on E85 is $0.17 per gallon, compared to the conventional motor fuel tax rate of $0.24 per gallon. E85 is defined as an alternative fuel that is a blend of denatured ethanol and hydrocarbon and typically contains 85% ethanol by volume, but must contain at least 70% ethanol by volume and complies with ASTM specification D5798-99. (Reference Kansas Statutes 79-3401; 79-3490; and 79-34,141)