Alternative Fuel Definition

Alternative fuels are defined as natural gas, propane, electricity, hydrogen, fuel mixtures containing not less than 85% ethanol or methanol, and fuel mixtures containing not less than 20% vegetable oil, or a water-phased hydrocarbon fuel emulsion in an amount not less than 20% by volume. Biodiesel is defined as a renewable, biodegradable, mono alkyl ester combustible liquid fuel that is derived from agricultural plant oils or animal fats and meets current ASTM pure biodiesel (B100) standards.

(Reference New Mexico Statutes 13-1B-2 and 57-19-27)