All trends show it's not making a comeback. The only thing actively pushing it on are government subsidies and programs intended to push it over alternative energies.
Care to explain how you think natural gas, solar, and wind aren't going to continue to crush demand for coal in the US? To top that off, there is almost no foreign demand at the price we can produce coal. Even still, downward pressure on prices and loosening of regulations drives companies toward mountaintop removal which employs far fewer workers at far lower wages.
Everyone needs to face that economically, US coal production increasingly doesn't makes sense.
