Trump to ask Congress to make 15% ethanol-gas blend permanent

The Trump administration is preparing to petition Congress to make the 15% ethanol-gasoline blend, known as E15, available for purchase year-round. A U.S. official familiar with the matter confirmed the plan, which represents a significant shift from current federal regulations.

Under existing rules, E15 is typically only permitted for sale during cooler months. The Environmental Protection Agency grants waivers for its use during the summer driving season, but federal regulations generally require a switch to different blends as temperatures rise. This is because the higher ethanol content in E15 evaporates more readily in hot weather, potentially contributing to air pollution and smog.

This move is part of the administration's broader strategy to mitigate rising gas prices, which have been influenced by geopolitical tensions, including the conflict with Iran. President Trump has previously expressed support for year-round E15 availability on the campaign trail. The administration intends to include this request as part of a supplemental funding proposal to lawmakers.

It remains uncertain whether the proposal will garner sufficient support in Congress. Supporters, particularly lawmakers from corn-growing states, advocate for E15, citing its potential to offer consumers lower prices at the pump, generally about 25 cents per gallon cheaper than regular gasoline, and to stimulate rural economies through job creation. The White House has estimated that making E15 available year-round could save consumers over $20 billion annually in fuel costs.