cr5 co2 fuel Archives – The Green Optimistic green tech news, since 2008 Mon, 23 Nov 2009 20:29:56 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 Solar Heat Powered Machine Turns CO2 Back Into Fuel https://www.greenoptimistic.com/sandia-cr5-co2-fuel-20091123/ https://www.greenoptimistic.com/sandia-cr5-co2-fuel-20091123/#comments Mon, 23 Nov 2009 20:29:56 +0000 https://www.greenoptimistic.com/?p=5463 This is the simple description, of course - the machine, made of a metal cylinder, is called the CR5 (Counter Rotating Ring Receiver Reactor Recuperator) is working on the principle that heat triggers a thermo-chemical reaction in an iron-rich composite material.

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