The US Court of Appeals for the District of Columbia Circuit on Thursday granted a request from the Trump administration to stay ligation concerning an Obama administration air pollution regulation. The rule in question, the Mercury and Air Toxics Standard (MATS) [EPA backgrounder], has been in place for numerous years and has many coal-fired power plants have already come into compliance with its terms.
Many industry groups and 15 state prosecutors, included current EPA Administrator Scott Pruitt, challenged the rule. As a result of the court’s action, all of the pending litigation around the country has been stayed in order for the EPA to review the rule.
