Presidential MATS Order May Exempt Dozens Of Coal Plants In 12 States

April 10, 2025
President Donald Trump’s executive order granting coal-fired power plants an emergency compliance waiver from the Biden EPA’s tougher mercury and air toxics standards (MATS) appears likely to exempt at least 27 plants in 12 states where the agency anticipated significant compliance costs, though the waivers might apply even more widely. In the April 8 order , Trump exempts certain unnamed plants from compliance with the updated MATS rule for two years, effectively extending the rule’s compliance deadline of July 8,...


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