Iowa Attorney General Brenna Bird has asked the U.S. Department of Justice and other federal agencies to investigate whether some oil companies are improperly benefiting from exemptions under the Renewable Fuel Standard program meant for small refiners facing economic hardship.

Ethanol: Pump

Ethanol-blended fuels have a significant price advantage at the pump.

Election 2025 Iowa

Rep. Randy Feenstra, R-Iowa, speaks during the Triple M Tailgate fundraiser for U.S. Rep. Mariannette Miller-Meeks, R-Iowa, in Iowa City, Iowa, Friday, Oct. 24, 2025. (Nick Rohlman/The Gazette via AP)

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