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HF Sinclair sues EPA for delays on biofuel exemption decision, Bloomberg News reports

By Thomson Reuters Jul 24, 2026 | 5:00 PM

July 24 (Reuters) – HF Sinclair is suing the U.S. Environmental Protection Agency for continuing to delay a decision ​on exemptions from biofuel blending ‌mandates, Bloomberg News reported on Friday, citing a lawsuit filed by the refiner.

This follows a similar action by the American Fuel and Petrochemical ‌Manufacturers, ​which represents U.S. refiners ⁠and argued that ⁠the mandates would sharply increase compliance costs and fuel price.

The mandates, finalized in late March, require oil refiners to ​blend billions of gallons of ethanol and other biofuels into the nation’s ⁠fuel supply or buy ⁠credits known as renewable identification ​numbers (RINs).

The dispute comes amid a congressional fight ​to pass year-round sales of higher-ethanol E15 ‌gasoline.

Earlier this month, the EPA said 42 small refinery exemption petitions remained pending.

The agency did not approve or deny ⁠any petitions over the previous month and faces a September 1 deadline to provide decisions.

HF Sinclair ⁠is ‌one of many companies waiting ⁠on decisions on who will ​receive ‌breaks from biofuel blending quotas, ​the Bloomberg ⁠report said.

The company and EPA did not immediately respond to Reuters’ requests for comment.

(Reporting by Varun Sahay in Bengaluru and Siddharth Cavale in New York; Editing by ​Shilpi Majumdar)