July 27 – A three-judge panel of the 4th U.S. Circuit Court of Appeals in Richmond, Va. reversed a judge’s ruling requiring the Tennessee Valley Authority to install upgraded emission controls at four coal-fired plants. 

Three of the TVA-owned plants are in Tennessee, while the fourth is in Alabama. 

U.S. District Judge Lacy Thornburg had ordered the cleanup at the TVA plants, ruling that emissions affecting the air quality in North Carolina’s western mountains were a “public nuisance.”

Appeals court Judge J. Harvie Wilkinson III wrote that allowing the ruling to stand would undermine the nation’s regulatory scheme.

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