New York Times: For years, residents here complained about the yellow smoke pouring from the tall chimneys of the nearby coal-fired power plant, which left a film on their cars and pebbles of coal waste in their yards. Five states – including New York and New Jersey – sued the plant’s owner, Allegheny Energy, claiming the air pollution was causing respiratory diseases and acid rain. So three years ago, when Allegheny Energy decided to install scrubbers to clean the plant’s air emissions, …