Fight Over MATS Rollback Serves As Proxy For Battle Over ‘Co-Benefits’

A fight between critics and supporters of EPA’s proposal to scrap its cost-benefit finding underpinning the Obama-era utility air toxics rule is serving as a proxy for a broader battle over how, and whether, the agency should in future rulemakings count the “co-benefits” of reducing pollutants that are not directly regulated by a specific policy. Stakeholders’ comments ahead of an April 17 deadline for weighing in on the power plant mercury and air toxics standards (MATS) proposal highlight the dispute...