ELR Citation: ELR 20172
No(s). 05-1244 (D.C. Cir. Jul 11, 2008)

The D.C. Circuit vacated the U.S. Environmental Protection Agency's (EPA's) Clean Air Interstate Rule (CAIR), which would have required 28 states and the District of Columbia to regulate sulfur dioxide (SO2) and nitrogen oxide (NOx) to eliminate "significant" contributions to downwind states' air po...