Bloomberg Law
Oct. 19, 2021, 3:54 PM

Ameren Missouri, Feds Seek Rehearing on Pollution Permit Mandate

Maya Earls
Maya Earls
Legal Reporter

Ameren Missouri and the federal government are both unhappy with an Eighth Circuit panel ruling that the company was required to get an air pollution permit for modifications at one coal-fired power plant, but it didn’t violate the Clean Air Act at another plant.

Ameren says the court used the wrong test in analyzing the case, and the government wants the court to go even further in requiring the company to remediate past pollution, according to their petitions for rehearing filed Monday.

The U.S. Court of Appeals for the Eighth Circuit’s opinion replaced the state’s test for construction permitting with ...