Kentucky Can Stop Using Special Clean Gasoline in Louisville Area
Official: Removal of the Federal Reformulated Gasoline Program From the Kentucky Portion of the Louisville Area
Reading: The EPA approval removes the federal reformulated gasoline (RFG) program requirement from the Kentucky portion of the Louisville Area, relaxing an existing air-quality protection that reduces emissions and improves fuel quality.
The EPA determined that the air quality in this region has improved enough that the cleaner gasoline is no longer necessary.
In clear language
The federal Environmental Protection Agency has approved Kentucky's request to stop requiring special reformulated gasoline (a cleaner type of fuel) in parts of the Louisville area, including Jefferson County and portions of Bullitt and Oldham Counties. This change takes effect on May 27, 2026. The EPA determined that the air quality in this region has improved enough that the cleaner gasoline is no longer necessary.
How does this affect you?
Pick the type of resident or organization you most identify with — we'll generate a plain-language breakdown of what changes for you and what you can do about it.
Who does this affect?
- Gas station owners and fuel suppliers in Jefferson County and parts of Bullitt and Oldham Counties, Kentucky
- Drivers and residents in the Louisville area who may see different gasoline options available
- Kentucky state environmental officials responsible for air quality
What can you do?
- If you live or drive in the affected Kentucky counties, you may notice regular gasoline becoming available at pumps starting May 27, 2026, which is typically less expensive than reformulated gasoline
- Monitor local air quality reports to see if any changes occur in your area after this rule takes effect
Timeline
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- Effective: 2026-05-27
- May 27, 2026 - Effective date when Kentucky can stop requiring reformulated gasoline in the Louisville area
No New Jersey official has a verified action on this policy yet.
Related policies
- Federal RegisterJun 4, 2026EPA Splits Philadelphia-Area Air Quality Oversight Zone Between Three States
The EPA is redrawing the air quality monitoring boundaries for a region covering parts of Pennsylvania, New Jersey, Maryland, and Delaware. This change splits what was one oversight area into three separate zones, while keeping the same geographic area covered overall. The redrawing follows requests from Maryland and Delaware and affects how ozone pollution is tracked and managed in New Jersey.
- Federal RegisterJun 4, 2026EPA Approves California's Plan to Reduce Ozone Pollution in San Joaquin Valley with Conditions
The EPA conditionally approved California's plan for reducing ozone pollution in the San Joaquin Valley to meet federal air quality standards. The approval is conditional on California submitting additional pollution-reduction measures within one year. This plan uses previously approved ozone-reduction strategies and becomes part of the enforceable state air quality plan.
- Federal RegisterJun 3, 2026EPA Updates Air Pollution Standards for Hazardous Waste Incinerators
The EPA reviewed and confirmed that existing rules limiting toxic air pollution from hazardous waste incinerators are working well and protect public health adequately. The EPA is also adding new pollution limits for hydrogen fluoride and hydrogen cyanide emissions, and updating reporting requirements. States can now choose to reduce permitting red tape for smaller hazardous waste burning facilities.
- Federal RegisterMay 29, 2026EPA Rejects Part of Hawaii's Plan to Reduce Haze at National Parks
The federal EPA has partly accepted and partly rejected Hawaii's plan for reducing regional haze and improving visibility at national parks and protected areas. The EPA approved Hawaii's methods for measuring visibility improvement and tracking progress, but rejected the state's strategy for shutting down certain power plants and its goals for how much visibility must improve.