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45Z Tax Credit Extended Through 2029 as SRE Petitions Hit Record Highs 

by Brianna Welsh | Jul 24, 2025 | RFS Updates, RINSTAR News

The Renewable Fuel Standard (RFS) landscape is on the move again—and this time, it’s big news. On July 8, 2025, President Trump signed the “One Big Beautiful Bill Act,” which includes a two-year extension of the Section 45Z Clean Fuel Production Credit, now set...

Public Feedback on EPA’s Proposed 2026–2027 RFS Volumes 

by Brianna Welsh | Jul 17, 2025 | RFS Updates, RINSTAR News

On June 13, 2025, the EPA introduced a proposed rule to set Renewable Fuel Standard (RFS) volumes and percentage standards for 2026 and 2027. The proposal also includes a partial waiver of the 2025 cellulosic biofuel volume requirement, due to lower-than-expected...

Unlocking Carbon Intensity: How the GREET Model Empowers Renewable Fuel Producers

by Brianna Welsh | Jul 10, 2025 | Renewable Energy

A key aspect of the RFS program and its related incentives is the concept of “Carbon Intensity” or CI. CI measures the Lifecycle Greenhouse Gas (GHG) emissions per unit of energy produced. For renewable fuel producers, or any other obligated party, understanding and...

Supreme Court and D.C. Circuit Deliver Legal Wins for Renewable Fuel Standard Stability

by Brianna Welsh | Jul 2, 2025 | RFS Updates, RINSTAR News

Biofuel producers and agricultural stakeholders recently received some welcome news. In a series of key legal decisions, both the U.S. Supreme Court and the D.C. Circuit Court of Appeals upheld vital parts of the Renewable Fuel Standard (RFS) program, bringing some...

Mixed Reactions Emerge Following EPA’s Proposed RFS Targets for 2026–2027 and Finalized 2024 Cellulosic Volumes

by Brianna Welsh | Jun 30, 2025 | RFS Updates, RINSTAR News

On June 13, 2025, the EPA issued a proposed rule establishing Renewable Volume Obligations (RVOs) for 2026 and 2027, along with a finalized reduction to the 2024 cellulosic biofuel target. Earlier this week, RINSTAR published a detailed breakdown of both the proposed...
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