One of the best performing industry groups in recent days has been coal stocks. This is very encouraging given the role that coal will continue to play in the nation’s energy picture. Coal is vital to the generation of electricity. However, the extreme environmentalists hate coal believing it dirty and polluting. That’s why cleaning up coal for cleaner burning is a great idea and the reason I have invested in Evergreen Energy. This company has developed a process that makes coal more environmentally friendly. The company has a long history of promising results and not delivering, but a new management team seems to be aggressively pursuing contracts and Evergreen has fostered a couple of key business associations. Readers may want to take a look at this risky bu potential high-reward stock.