ELR Citation: 49 ELR 20149
No(s). 16-1406 (D.C. Cir. Sep 13, 2019)

The D.C. Circuit granted in part and denied in part a petition challenging EPA's update to the Cross-State Air Pollution Rule. Environmental groups and Delaware argued that EPA violated the CAA by failing to require upwind states to eliminate their significant contributions in accordance with the de...