How Pennsylvania Slashed Coal Emissions Without Alienating Industry Posted on March 21, 2018 by Terry M. Jarrett The Wall Street Journal reports that coal-fired power plants in Pennsylvania cut smog-forming emissions by more than half last year, in a rare regulatory effort that has won support from both industry officials and environmentalists. https://www.wsj.com/articles/how-pennsylvania-slashed-coal-emissions-without-alienating-industry-1521633601