Eighth Circuit Denies Rehearing in Ameren Missouri – Update from Hiser Joy

By Eric L. Hiser. Esq.

In an Order issued November 30, 2021, the U.S. Court of Appeals for the Eighth Circuit rejected requests by both Ameren Missouri and the U.S. Department of Justice for rehearing or rehearing en banc of the court’s earlier decision essentially affirming the Eastern District of Missouri’s ruling holding Ameren Missouri liable for Prevention of Significant Deterioration (PSD) violations at its Rush Island plant but rejecting the district court’s injunctive relief against the …
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