Fuel tax facts


We provide a variety of services related to fuel tax and commercial motor carriers, including:

  • Fuel tax collection, audits, and refunds.
  • Investigation of illegal fuel imports and dyed diesel.
  • Commercial motor carrier registration.

To learn more, see What we do.

Fuel tax categories

There are 3 types of fuel tax. Each requires a different license, fuel tax return, and payment. For information about getting a license, filing a return, and paying the fuel tax for each fuel type, see:

Where fuel tax money goes

All fuel taxes collected are placed in the Motor Vehicle Fund which supports highway programs including:

  • Constructing and maintaining state, city, and county roads, bridges, and ferries.
  • Purchasing right of ways.
  • Installing, maintaining, and operating traffic and signal lights.
  • Policing state public highways.
  • Operating movable span bridges.

Fuel Tax Paid Credit for Fuel Purchased in Washington State

Fuel Sales to Yakama Nation

As of November 22, 2013, all sales of vehicles and special fuels to authorized Yakama Nation tribal fuel retailers or tribal bulk fuel users are no longer eligible for the tax exemptions. All licensed vehicle fuel and special fuel suppliers, importers, blenders, and distributors selling fuel to Yakama Nation retailers and bulk fuel users must include the state fuel tax.

Related information

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