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WashingtonSB 62692025-2026 Regular SessionSenate

Modernizing the definition of motor fuel in the motor fuel quality act.

Sponsored By: Sharon Shewmake (Democratic)

Signed by Governor

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Bill Overview

Analyzed Economic Effects

1 provisions identified: 1 benefits, 0 costs, 0 mixed.

Broader fuel quality protections for Washington drivers

Beginning June 11, 2026, Washington's motor fuel rules cover liquid and gaseous products used on state highways or intended for transportation. The law classifies E85 as motor fuel, extending fuel quality protections to this broader group of fuels. E85 must contain 75%–85% denatured fuel ethanol by volume and meet ASTM D 5798. Ethanol blends can be marketed when either the base fuel meets applicable standards before mixing or the final blend meets them. Biodiesel comes from plant or animal fats and must meet federal fuel registration requirements and applicable ASTM standards. Renewable diesel comes from nonpetroleum renewable sources and must meet federal registration requirements and ASTM D 975. Alcohol fuel comes from sources other than petroleum or natural gas and can be used alone or in fuel blends. The diesel definition includes federally dyed diesel; nonhazardous motor fuel contains no hazardous liquid as defined by state law. These chapter-wide definitions identify the agriculture director as the responsible official. The law sets no direct household payment or price change.

Sponsors & Cosponsors

Sponsor

  • Sharon Shewmake

    Democratic • Senate

Cosponsors

  • Marko Liias

    Democratic • Senate

Roll Call Votes

All Roll Calls

Yes: 191 • No: 0

Senate vote • 3/10/2026

Final Passage as Amended by the House

Yes: 49 • No: 0

House vote • 3/4/2026

Final Passage as Amended by the House

Yes: 94 • No: 0 • Other: 4

Senate vote • 2/10/2026

3rd Reading & Final Passage

Yes: 48 • No: 0 • Other: 1

Actions Timeline

  1. Effective date 6/11/2026.

    3/23/2026Senate

  2. Chapter 160, 2026 Laws.

    3/23/2026Senate

  3. Governor signed.

    3/23/2026legislature

  4. Delivered to Governor.

    3/12/2026legislature

  5. Speaker signed.

    3/11/2026legislature

  6. President signed.

    3/11/2026legislature

  7. Passed final passage; yeas, 49; nays, 0; absent, 0; excused, 0.

    3/10/2026Senate

  8. Senate concurred in House amendments.

    3/10/2026House

  9. Third reading, passed; yeas, 94; nays, 0; absent, 0; excused, 4.

    3/4/2026Senate

  10. Rules suspended. Placed on Third Reading.

    3/4/2026Senate

  11. Floor amendment(s) adopted.

    3/4/2026Senate

  12. Rules Committee relieved of further consideration. Placed on second reading.

    2/27/2026Senate

  13. Referred to Rules 2 Review.

    2/25/2026Senate

  14. ENVI - Majority; do pass.

    2/23/2026Senate

  15. ENVI - Executive action taken by committee.

    2/23/2026Senate

  16. First reading, referred to Environment & Energy.

    2/12/2026Senate

  17. Third reading, passed; yeas, 48; nays, 0; absent, 0; excused, 1.

    2/10/2026Senate

  18. Rules suspended. Placed on Third Reading.

    2/10/2026Senate

  19. 1st substitute bill substituted.

    2/10/2026Senate

  20. Placed on second reading by Rules Committee.

    2/6/2026Senate

  21. Passed to Rules Committee for second reading.

    2/4/2026Senate

  22. Minority; without recommendation.

    2/3/2026Senate

  23. ENET - Majority; 1st substitute bill be substituted, do pass.

    2/3/2026Senate

  24. First reading, referred to Environment, Energy & Technology.

    1/21/2026Senate

  25. Introduced

    1/21/2026Senate

Bill Text

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