Clean Coal Technology:Evergreen Technology Breakthrough Paper
https://www.nextgenenergy.org/Portals/Nextgen/docs/TechPapers/NextGen_EEE_Clean_new.pdf
From the report:
"The amount of energy used in the K-Fuel® process to remove water is about half of what it would take to evaporate the same amount of water in a coal boiler during combustion."