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As the E15 ethanol legislation nears US voting, lobbying intensifies

The refining industry is trying to sabotage the biofuels initiative.

The industry is now closer to reaching a goal that they've been pursuing for years. However, they are still facing opposition from legislators in the refining states as well as uncertainty within a deeply divided Senate. In 2024, a similar provision was removed after Elon Musk and conservative lawmakers opposed it. Musk was the Trump administration's efficiency head at the time. In January 2026, a renewed effort failed as well. Instead, lawmakers formed a taskforce to study the possibility of allowing E15 to be sold year-round. Elon Musk's representatives did not respond immediately to a comment request.

Representatives from both sides lobby Congress. On Monday and Tuesday, representatives of the American Petroleum Institute and Small Refineries of America met with lawmakers at Capitol Hill. The H.R. The H.R. This blend is usually prohibited during summer due to concerns about smog. However, the Trump administration has temporarily lifted this restriction from May 1 for 20 days to help reduce gasoline prices which have risen since the Iran War. Trump, who visited Iowa in the spring and said he would approve any E15 bills sent to him, has shown his support for biofuels. The White House, however, has not applied any political pressure since then to encourage lawmakers to act on the bill. This highlights the complicated and divisive nature ethanol politics in Washington.

The bill's opponents say it will increase fuel prices for consumers, at a time where gasoline and diesel are already reaching record levels. Green Scissors, an environmental group, is also against the bill. They sent a letter to Congress Monday stating that E15 could worsen air quality, soil and water, and cost taxpayers'single-digit millions.

Brecheen, a commentator on X, said that if exemptions were tightened, it would result in refineries being closed - including those located in Oklahoma, a state with a large refining industry.

Small Refineries of America (which represents 12 refineries) said that stricter rules regarding exemptions would also remove important relief included by Congress in the program for small refineries to deal with compliance costs of blending Biofuels into the Nation's Fuel Supply.

If this bill passes, you will likely see a substantial impact. This could include closures or layoffs. "For some of these refiners, the exemptions are absolutely crucial," said Peter Whitfield. A lawyer from Sidley Austin LLP, which represents the group. He added that fewer refineries will reduce fuel availability and increase costs for consumers.

Renewable Fuels Association, which represents biofuel producers and sells E15, says it can lower costs at the pump. It notes that E15 typically sells 15-40 cents less per gallon than standard E10 gasoline (also known as regular unleaded) and is $1 or more cheaper than ethanol-free gas.

Geoff Cooper, RFA's Chief executive officer, wrote a blog on Wednesday last week saying that you should "believe your eyes" when it comes to E15. Reporting by Siddharth Cavale in New York, and Jarrett Renshaw from Washington. Editing by Chizu Nomiyama.

(source: Reuters)