Key facts
- Senate Majority Leader John Thune and other senior Republicans asked a US appeals court to overturn the ruling.
- A US district court judge found the EPA's move to send the waivers to Congress likely unlawful.
- The EPA had granted the waivers for cars, trucks and lawn-and-garden equipment standards.
- The EPA sent the waivers to Congress in June for potential repeal.
Senate Majority Leader John Thune and other senior Republicans on Wednesday asked a US appeals court to overturn a ruling that found the Environmental Protection Agency improperly sent California vehicle emissions rules to lawmakers for potential repeal, Reuters reported on November 4.
The EPA had granted California waivers under the Clean Air Act to set its own emission standards for cars and trucks as well as lawn-and-garden equipment. The agency sent those waivers to Congress in June for potential repeal, and a US district court judge found the action likely unlawful.
The report did not identify the appeals court, the district court, the judge or when the appeal was filed.

