Overview
- White House officials say President Trump and EPA Administrator Lee Zeldin will announce the rescission Thursday, calling it the largest deregulatory action with claimed savings of about $1.3 trillion.
- The final rule removes requirements to measure, report, certify and comply with federal greenhouse-gas standards for motor vehicles and ends related credit and reporting programs.
- The 2009 finding, grounded in the Supreme Court’s Massachusetts v. EPA ruling, has underpinned regulations for autos, power plants and methane, and its repeal could jeopardize broader climate rules even if they are not directly addressed.
- Critics say the decision leans on contested science, including a DOE-commissioned report a judge found procedurally flawed, and major scientific groups have refuted the administration’s justifications.
- Proposed in 2025 and drawing more than 500,000 public comments, the rollback is expected to trigger swift lawsuits from environmental groups and Democratic-led states.