Environmental Protection Agency · EPA-HQ-OAR-2024-0505
Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes
The Federal Register published the matched proposal on June 17, 2025 and the matched final rule on April 1, 2026, 288 days later.
Official publication history
Proposal ·
Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes
Comment date listed August 8, 2025
Proposed Rule ·
Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes; Supplemental Notice of Proposed Rulemaking
Comment date listed October 31, 2025
Final rule ·
Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes
Effective date in register data June 15, 2026
Proposal ·
Renewable Fuel Standard (RFS) Program: Reallocation of Additional 2025 Small Refinery Exemptions
Comment date listed December 4, 2026
About this timeline
How the records were matched
America.co links a proposed rule and a later final rule when the Federal Register records share the exact docket identifier and lead agency. This snapshot covers records published from January 1, 2025 to November 10, 2026.
A docket can hold more than one regulatory action. Dates here are dates listed in individual notices. Later corrections, court actions, other dockets and records outside the date window may change what applies. Follow the official documents for the full text and effective dates.
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