Tax Rates
Under the Motor Fuel Tax Code, the incidence of motor fuel is specifically levied on the consumer of the fuel; however, the tax is pre-collected when it is removed from the terminal. Gasoline and diesel fuel are taxed at $0.19 per gallon, special fuels are taxed at $0.16 per gallon, and aviation gasoline and jet fuel are taxed at $0.0008 per gallon.
There is an assessment fee of $0.01 per gallon upon the sale of each gallon of motor fuel, diesel fuel, and blending materials used or consumed in this state for the Petroleum Underground Storage Tank Release Environmental Cleanup Indemnity Fund.
Effective January 1, 2012, the motor fuel tax on Compressed Natural Gasoline (CNG) is collected upon the first sale by a wholesaler to a retailer/end-user.
Effective January 1, 2014, the motor fuel tax on Liquified Natural Gas (LNG) is collected upon the first sale by a wholesaler to a retail/end-user.
CNG and LNG are taxed at $0.05 per gallon. The $0.05 per gallon is figured as follows:
CNG is per gasoline gallon equivalent (gge)-1 gge=126.67 cubic feet
LNG is per diesel gallon equivalent (dge)-1 dge=6.06 lbs
CNG and LNG is mostly being reported and paid by the retailers and consumers to the Oklahoma Tax Commission.
Due Dates of Motor Fuel Reports and Remittances
Supplier/permissive supplier and bonded importer reports are due on or before the 20th day of the following month, effective November 1, 2019. In addition, the petroleum underground storage report will be due at the same time as the supplier/permissive supplier and bonded importer reports.
The alternative fuels wholesale/retailer/consumer, occasional importer, tankwagon operator, exporter and terminal operator reports along with the petroleum underground storage reports are due on or before the 27th day of the following month.
The fuel blender report is due within thirty (30) days of the blending event.
The three day voucher for untaxed motor fuel is due three days from the date the import verification number is assigned or three days from the date the motor fuel entered Oklahoma.
The special fuel report is due on or before the 20th day of the following month.
Annual Decals
All special fuel decals are valid from January 1 through December 31.
- The annual $50 fee is for liquefied petroleum gas or natural gas users in passenger cars, vans and pickups under one ton.
- For vehicles under one ton using alternative fuels, such as methanol or "M-85", the fee is $100 per year.
- For vehicles exceeding one ton, using liquefied petroleum gas, methanol or "M-85" the fee is $150 per year.
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