ELR Citation: ELR 20126
No(s). 06-1023 (D.C. Cir. Jun 1, 2007)

The court upheld a U.S. Environmental Protection Agency (EPA) rule that increased the stringency of nitrogen oxide emission standards applicable to newly certified commercial aircraft gas turbine engines under Clean Air Act §231. Although the final rule tightens EPA regulations by 16%, almost all a...