The agency went against recommendations from its own scientists that a stronger standard could save lives. Pa. is one of four states that don't meet the current standard.
Coal plants could lower operating temperatures to ‘evade’ stringent limits on nitrogen oxides that contribute to smog. DEP has two years to come up with a new plan.
An Obama-era rule has already reduced toxic air pollution like mercury from coal-fired power plants. So why did the EPA roll it back now? In a word, co-benefits.
