Trump EPA Rolls Back Another Biden-Era Rule
February 25, 2026
Last week, at Kentucky’s Mills Creek Power Plant, the U.S. Environmental Protection Agency finalized a major deregulatory action. EPA announced that it would repeal the Biden Administration’s 2024 amendments to the Mercury and Air Toxics Standards (MATS). The move restores the original 2012 standards while preventing costly new mandates. In announcing the rollback, EPA emphasized, “In today’s final action, EPA repealed the Biden Administration’s 2024 amendments to the National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units (EGUs) – a rule commonly known as the Mercury and Air Toxics Standards for power plants, or simply MATS….