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.

From Federal to State: Using 45G Rail Credits as a Model for Biofuels
Railroad, Renewable Kristy Anderson Railroad, Renewable Kristy Anderson

From Federal to State: Using 45G Rail Credits as a Model for Biofuels

The 45G federal tax credit for rural railroad maintenance serves as a model for state-level adoption, with 17 jurisdictions now offering similar incentives to boost rural infrastructure. This legislative pattern is currently being replicated for the American biofuels industry following the 2025 introduction of federal credits, with states like Kansas and Kentucky already adopting complementary programs.

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DOE Revises 45Z GREET Model: Lower Carbon Intensity Scores and Stricter Standards for Clean Fuel Credits
Renewable Kristy Anderson Renewable Kristy Anderson

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.

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Guidance and the GREET Model: Considerations for 2026 Section 45Z Tax Credit Purchases
Renewable Kristy Anderson Renewable Kristy Anderson

Guidance and the GREET Model: Considerations for 2026 Section 45Z Tax Credit Purchases

As the tax credit transferability market moves into mid-2026, the market for Section 45Z continues to mature. While Treasury and the IRS have now released proposed guidance on the credit, several critical issues remain open, including the anticipated release of an updated Greenhouse Gases, Regulated Emissions, and Energy Use in Technologies (GREET) model expected in the third quarter of 2026.

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