Current Fuel Tax Rates

  The taxation rates for gasoline, aviation fuels, undyed diesel, and dyed diesel are found in W. S. 39-17-104 and 37-17-204. Propane used for operating or propelling motor vehicles was included in the gasoline definition effective July 1, 2007. Both undyed biodiesel and dyed biodiesel are subject to Wyoming’s motor fuel tax. Therefore, the tax rates for motor fuel are as follows:

Fuel type

License Tax

Additional License Tax

Total Tax

Gasoline/Gasohol/Propane

$ 0.13

$ 0.01

$ 0.14

Aviation Gas/Jet Fuel

$ 0.04

$ 0.01

$ 0.05

Undyed Diesel/Kerosene/Biodiesel

$ 0.13

$ 0.01

$ 0.14

Dyed Diesel/Kerosene/Biodiesel

$ 0.00

$ 0.01

$ 0.01