Chapter 142, RSMo: Missouri receives fuel tax on gallons of motor fuel (gasoline, diesel fuel, kerosene, and blended fuel) from licensed suppliers on a monthly basis. The tax is passed on to the ultimate consumer purchasing fuel at retail. The tax is distributed to the Missouri Department of Transportation, Missouri cities and Missouri counties for road construction and maintenance. There are about 700 licensees, including suppliers, distributors, transporters and terminal operators. Consumers may apply for a refund of the fuel tax when fuel is used in an exempt manner See the Motor Fuel FAQs for more information.

The tax rates are outlined in the below table.

Motor Fuel Tax Rates Through September 30, 2021 October 1, 2021 - June 30, 2022 July 1, 2022 - June 30, 2023 July 1, 2023 - June 30, 2024 July 1, 2024 - December 31, 2024 January 1, 2025 - June 30, 2025 July 1, 2025
Motor Fuel $0.17 $0.195 $0.220 $0.245 $0.270 $0.270 $0.295
CNG/Propane/LNG $0.11 $0.11 $0.11 $0.11 $0.11 $0.17 $0.17
Aviation Gasoline $0.09 $0.09 $0.09 $0.09 $0.09 $0.09 $0.09