U.S. EPA Proposes to Weaken Obama-Era Power Plant Mercury Rules by Revoking Cost Analysis

The U.S. Environmental Protection Agency issued a draft rule proposing to determine that it is not “appropriate and necessary” to regulate hazardous air pollutant emissions from coal- and oil-fired power plants, rescinding a 2016 supplemental cost finding that formed the basis for the Mercury and Air Toxics Standards, according to a Dec. 28 press release.…