Reuters: The U.S. Supreme Court on Monday ruled the Obama administration should have considered compliance cost when it decided to limit emissions of mercury and other hazardous air pollutants mainly from coal-fired power plants, a setback for the government that leaves the legal status of the regulation in limbo.
The court ruled in a 5-4 decision, with its five conservative justices in the majority, against the U.S. Environmental Protection Agency (EPA). The rule stays in effect for the time being, with...