Treasury Proposes Clean Fuel Production Credit Guidance

On 4 February 2026, the US Department of the Treasury and the Internal Revenue Service (Treasury) released highly anticipated proposed regulations implementing the Section 45Z Clean Fuel Production Tax Credit (Section 45Z),1 providing clarity on eligibility rules, emissions rate determinations, and certification and registration requirements. The proposed regulations also include several examples to help taxpayers better understand the regulatory text.... By: K&L Gates LLP