MATS Proposal Spurs Uncertainty On Role Of 'Co-Benefits' In Future Rules

EPA's plan to scrap the Obama-era finding that the costs and benefits of the utility air toxics rule make the rule “appropriate and necessary” is spurring uncertainty on how the agency will count “co-benefits” that result from reductions in non-target pollutants to justify future rules' costs because the plan downplays such benefits but does not prohibit their consideration. Industry and GOP critics of the 2012 mercury and air toxics standards (MATS) rule have long criticized the underlying cost-benefit analysis for...