https://www.huffingtonpost.com/entry/mercury-epa-mats-rule_us_5bb21460e4b027da00d56346
"The proposal would not completely eliminate MATS, which sets limits on power plant emissions of mercury and other toxic pollutants. But it is “designed to put in place the legal justification for the Trump administration to weaken it and several other pollution rules,” and could open the door to a possible full repeal of the regulation, according to The New York Times."
