Trump Rollback Reverts Coal Mercury Rules to 2012 Standard, Sparking Health and Grid Debate

TL;DR Summary
Trump rolled back Biden-era tightening of the Mercury and Air Toxics Standard, restoring coal plants to the 2012 rule and potentially exempting the industry from stricter limits. EPA estimates the rollback would save about $78 million annually (2028–2037), while the tighter 2024 standard would have cut mercury emissions about 23% by 2035. Environmental groups vow to appeal, warning that plants could ease pollution controls and monitoring to save money, with potential impacts on public health and grid reliability.
- Trump adminstration rolls back mercury rules for coal-fired power plants The Allegheny Front
- Trump’s EPA to roll back rule limiting hazardous mercury from coal plants The Guardian
- Trump loosens restrictions on toxic pollution, including mercury and lead, from coal plants The Hill
- Trump administration eases limits on coal plant emissions of mercury and other toxins NBC News
- E.P.A. Weakens Limits on Mercury From Coal Plants The New York Times
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