Clean Coal Now Is Very Important:There Are many Answers for Clean Coal:
I don't think CCS, IGCC, or any of these other new technologies are going to cause any serious competition for K-fuel. Here's a good unbiased article on the current state of CCS, if you're interested:
https://en.wikipedia.org/wiki/Carbon_capture_and_storage
Evergreen's primary target market is OLD coal plants, and there are plenty of those around. The first Evergreen plant deal you're going to hear about in the near future was motivated by the desire to keep a decades-old coal plant operating, that would otherwise be forced to shut down due to new environmental regulations.