U.S.: EPA grants emergency waiver for E15 sales during the 2025 summer season

On April 28, 2025, the U.S. Environmental Protection Agency (EPA) issued an emergency fuel waiver allowing the nationwide sale of E15 gasoline, a blend containing 15% v/v anhydrous fuel ethanol and 85% v/v fossil gasoline, during the summer driving season. The waiver, effective from May 20 through September 15, 2025, marks the fourth consecutive year that the EPA has granted this measure, aiming to mitigate rising gasoline prices.

While most states have adopted E15 sales, California remains an exception due to smog formation and air quality concerns. The state has opted not to permit E15 sales, maintaining more stringent environmental standards than the rest of the country.

The Trump administration has consistently s