Alternative Fuel Tax

An excise tax rate of 9% of the average wholesale price on a per gallon basis applies to all special fuels, including diesel, natural gas, liquefied petroleum gas (propane), ethanol, biodiesel, hydrogen, and any other combustible gases and liquids, excluding gasoline, used to propel motor vehicles. Additionally, a highway motor fuel tax of $0.02 per gallon applies to all special fuels. For taxation purposes, one gasoline gallon equivalent (GGE) of compressed natural gas (CNG) is equal to 5.66 pounds (lbs.) or 126.67 cubic feet. One GGE of liquefied natural gas (LNG) is equal to 6.06 lbs. (Reference Kentucky Administrative Regulations 103.43:330 and Kentucky Revised Statutes 131.130(1), 138.210, 138.220, and 138.226(1))

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