Dirtiest US Coal-Fired Power Plant Applies for EPA Exemption (1)

The dirtiest coal-fired power plant in the US is asking Donald Trump for a waiver from pollution mandates, taking up the administration on an offer to email for a chance to get a presidential exemption.

Montana’s Colstrip power plant has applied for a two-year exemption from Environmental Protection Agency standards compelling stringent mercury and air pollution controls. Talen Energy Corp. subsidiary Talen Montana owns the plant along with Northwestern Energy Group Inc., among others.

The plant, located in eastern Montana, has the highest emission rate of fine particulate matter out of any coal-burning plant in the nation, according to ...