Cleaning Up Coal: Folly Or The Future?

What actually is clean coal? Depends on who you ask. In Wyoming, a state that produces the most coal in the nation, clean coal is looked at as a possible economic savior.  It’s a big deal for a lot of other people, too. Forty percent of the world still depends on coal for electricity, and it’s still one of the cheapest and most abundant fuels. Clean coal could be the holy grail both for coal producers and for the world.