Mommy says you lied.
Donald Trump says he would bring back lost coal-mining jobs, and he is positioning for the November election in big coal states by portraying Hillary Clinton as a job killer.
Trump, however, has yet to explain exactly how he will revitalize Appalachia's coal industry.
To pull it off, he will have to overcome market forces and a push for cleaner fuels that have pummeled coal.
Coal's slump is largely the result of cheap natural gas, which now rivals coal as a fuel for generating electricity.
Older coal-fired plants are being idled to meet clean-air standards.
Another hurdle for reviving coal mining in Appalachia: less coal.
Reserves of coal still in the ground are smaller than in western states like Wyoming, the leading coal producer.
http://www.mcall.com/news/local/elections/mc-pa-fact-check-bringing-coal-jobs-back-to-appalachia-20160505-story.html