Ameren, EPA File Competing Petitions For Rehearing Landmark NSR Suit

Ameren Missouri and EPA are each seeking rehearing of a key federal appeals court ruling that broadly upheld the agency’s new source review (NSR) enforcement power at one of the utility’s power plants, as Ameren seeks to overturn the ruling while EPA wants the court to drop its objection to related pollution curbs at a nearby facility. In an Oct. 20 petition , Ameren is asking the U.S. Court of Appeals for the 8th Circuit for rehearing by the panel...