Underground Coal Gasification Cleanest
" THE ICING on the cake is that it’s greener in every way than both opencast and underground coal mining. UCG pilot projects have shown positive results with 95 percent recovery of coal resource, more than 75 percent energy recovery, and a consistent calorific value of syngas. Even better for environmentalists, even in the process of commercial testing, no groundwater or surface contamination has been reported."
http://www.tehelka.com/story_main41....leaning_up.asp
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