Modernizing the definition of motor fuel in the motor fuel quality act.
Effective date 6/11/2026.
Summary
The Senate bill revises the state’s Motor Fuel Quality Act by redefining terms such as motor fuel, alcohol fuel, alternative fuel, biodiesel, E85, and renewable diesel. The new definitions broaden what fuels can be marketed and regulated in Washington, covering a range of non‑petroleum and renewable options. This gives fuel producers, distributors, and the Director of Agriculture clearer guidance on permissible fuels.
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