Utility Air Regulatory Group (UARG), et al. v. Environmental Protection Agency (EPA), et al.

U.S. Supreme Court

Question(s) Presented

Whether EPA permissibly determined that its regulation of greenhouse gas emissions from new motor vehicles triggered permitting requirements under the Clean Air Act for stationary sources that emit greenhouse gases. 

Procedural History

Certiorari petition granted 10/15/2013.

Decided 6/23/2014.