API Submits Comments on Proposed Revision to Obama-Era MATS rule
API led a coalition effort to submit comments on April 17 on the EPA proposal to scrap its cost-benefit finding that justified the Obama-era Mercury and Air Toxics Standards (MATS) for Power Plants final rule. The agency is planning to reverse its designation of the power plant air toxics standards as “appropriate and necessary” by discounting the rule’s “co-benefits” of reducing fine particulate matter (PM) pollution. Those PM co-benefits were estimated to be responsible for the bulk of the rule’s environmental gains, even though the rule does not directly regulate PM. The approach to calculate the benefits in this revised rule may set precedent as to how EPA will count the “co-benefits” of reducing pollutants in future rulemakings affecting other industries.
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