- Climate Litigation Database
- /
- Search
- /
- United States of America
- /
- District of Columbia
- /
- Massachusetts v. EPA
Massachusetts v. EPA
Geography
Year
2026
Document Type
Litigation
Part of
About this case
Filing year
2026
Status
Petition for review filed.
Geography
Docket number
26-1193
Court/admin entity
United States โ United States Court of Appeals for the District of Columbia (D.C. Cir.)United States โ United States Federal Courts
Case category
Federal Statutory Claims (US) โ Clean Air Act (US)
Principal law
United States โ American Innovation and Manufacturing Act (AIM Act)United States โ Clean Air Act (CAA)
At issue
Documents
Filing Date
Document
Type
Search results
07/21/2026
Petition for review filed.
Eighteen states, the District of Columbia, and New York City filed a petition for review challenging the final rule rolling back refrigerant restrictions.
Petition
โ
Summary
Challenges to EPA final reconsideration rule amending regulations implementing the Technology Transitions Provisions of the American Innovation and Manufacturing Act of 2020.