Economists fault MATS rollback for ignoring power sector changes

Economists from Harvard and Yale universities and research groups are faulting EPA’s plan to rescind the “appropriate and necessary” finding underpinning the Obama-era power plant air toxics rule, saying the rollback fails to account for power sector changes that affect the costs and benefits of the rule. “We have more than three years of real-world data” on implementing the mercury and air toxics standards (MATS) that the rollback fails to account for, said Joseph Aldy, professor of the Practice of...