How much is the excise tax on special fuels?

The excise tax is levied at an aggregate rate of $0.20 per gallon or gallon equivalent. The excise tax rate on compressed natural gas and liquefied natural gas sold, used, or consumed in the state of Louisiana for the operation of motor vehicles licensed or required to be licensed for highway use is $0.20. The excise tax rate on liquefied petroleum gas sold, used, or consumed in the state of Louisiana for the operation of motor vehicles licensed or required to be licensed for highway use is $0.146. The tax should be included in the price of the fuel at the retail pump or calculated on the fuel removed from fleet storage and dispensed into a motor vehicle for use on the roads.