Demonstration project on supercritical CO2 in geothermal plants to be run at Coso, California | Think GeoEnergy – Geothermal Energy News

http://www.thinkgeoenergy.com/demonstration-project-on-supercritical-co2-in-geothermal-plants-to-be-run-at-coso-california/

EXCERPT:

U.S.-based GreenFire Energy has announced that it is preparing work on its demonstration project to use supercritical CO2 instead of water as working fluid to carry enthalpy from the resource back to the surface for geothermal power production.