The coal industry is one of the most carbon intensive in the world and it is also responsible for other dangerous pollutants in our air, soil, and water. (earthinbrackets.org)
It is extracted from water, and when it burns it produces water and no toxic or otherwise dangerous pollutants. (dotearth.blogs.nytimes.com)
Section 111 (d) exists precisely to curb dangerous pollutants that are not limited under other parts of the law. (nrdc.org)