National Law Review
5/8/2026

Industry comments flood Treasury on
Original: Industry Comments Received on New Clean Fuels Proposed Rule: The Good, the Bad and the Ugly
Short summary
Treasury issued proposed rules for the Section 45Z Clean Fuel Production Credit with nearly 500 stakeholder comments submitted by the April 6 deadline. Industry feedback highlighted concerns about fuel eligibility criteria, emissions calculations, and qualified sale definitions. The final rule will address recurring issues across ethanol, biodiesel, renewable natural gas, and sustainable aviation fuel sectors.
- •Nearly 500 clean fuels stakeholders submitted comments on Section 45Z rules before April 6 deadline
- •Key industry concerns: qualified sale definitions, emissions rate calculations, and feedstock sourcing requirements
- •Treasury plans May 28 public hearing and will incorporate significant feedback into final rule
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