California Senate Votes to Allow More Ethanol in Gasoline Blends

Sept. 3, 2025, 9:55 PM UTC

Gas stations in California would be allowed to sell blends of gasoline containing up to 15% ethanol under a bill approved by the state Senate on Wednesday.

State law only allows the sale of gasoline with up to 10% ethanol and regulators have been studying the change to what is known as E15 for more than five years.

The bill (AB 30) passed Wednesday by a vote of 39-0 would allow the sale of E15 until regulators at the California Air Resources Board make a final decision on approval.

Lawmakers backing the bill argue the change would be ...

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