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KPMG report: Proposed regulations providing guidance on clean fuel production credit

Overview of section 45Z and key aspects of the proposed regulations

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february 20, 2026

The U.S. Treasury Department and IRS on February 3, 2026, released proposed regulations under section 45Z to provide guidance on the clean fuel production credit.

Read a February 2026 report prepared by KPMG LLP that provides an overview of section 45Z and a discussion of key aspects of the proposed regulations, as well as a brief primer on using the 45ZCF-GREET model to clarify some of the revised rules. 

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