# Partial Repeal of the Carbon Pollution Standards for Fossil Fuel-Fired Electric Generating Units

**Action Urgency Score:** 90/100

| Field | Value |
|---|---|
| Agency | Environmental Protection Agency |
| Type | Final rule |
| Action | Final rule. |
| Published | 2026-09-17 |
| Effective | 2026-11-16 |
| Significant | Yes (EO 12866) |
| CFR parts | 40 CFR 60 |
| Summary | In this final rule, the U.S. Environmental Protection Agency (EPA) is repealing most provisions of the 2024 Carbon Pollution Standards for greenhouse gas (GHG) emissions from fossil fuel-fired electric generating units (EGUs) based on a reevaluation of the best system of emission reduction for the relevant subcategories. Specifically, the EPA is repealing the emission guidelines for existing fossil fuel-fired steam generating units, the carbon capture and sequestration/storage (CCS)-based standards for coal-fired steam generating units undertaking a large modification, and the CCS-based standa |
| Document number | 2026-19071 |

## Why this score
- Effective date within 30 days.
- Significant rule under EO 12866.
- Final rule.

Source: Federal Register API (Office of the Federal Register) (https://www.federalregister.gov/documents/2026/09/17/2026-19071/partial-repeal-of-the-carbon-pollution-standards-for-fossil-fuel-fired-electric-generating-units). Last refreshed: 2026-11-03T19:10:06.902Z.
Data from the Federal Register API; the published Federal Register document is authoritative. Informational only, not legal advice.