Mercury Limits for Coal-Fired Plants Tightened in EPA Plan (1)

April 5, 2023, 3:00 PM UTCUpdated: April 5, 2023, 6:03 PM UTC

The Environmental Protection Agency unveiled a new mercury limits proposal on Wednesday, beefing up air toxics rules for coal-fired power plants.

The action comes after the agency shored up the legal foundation of the rule in February by establishing Mercury and Air Toxics Standards to once again be “appropriate and necessary” under the Clean Air Act. That key legal language was scrapped by the Trump administration in 2020.

By restoring that language, the Biden administration bolstered the rule’s legality and paved the way for a more thorough analysis of qualitative public health benefits outside of costs to industry.

Wednesday’s proposal ...

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