News & Insights
Stay informed with the latest developments and expert perspectives on tax credits from Mickelson & Company. Our articles offer thorough analysis and up-to-date insights into the railroad and renewable energy sectors. Utilize this knowledge to strengthen your strategic planning in these crucial areas.
DOE Revises 45Z GREET Model: Lower Carbon Intensity Scores and Stricter Standards for Clean Fuel Credits
The U.S. Department of Energy released an updated 45ZCF-GREET model on June 12, 2026, which lowers carbon intensity scores by removing indirect land use change emissions for fuels produced after Dec. 31, 2025. These updates introduce stricter North American feedstock sourcing requirements and increased compliance documentation for clean fuel producers, while impacting diligence processes for tax credit buyers.