The New York Times reports that US coal miner, Peabody, is to invest in a clean energy start-up company, Calera.
The new company is being set up by Vinod Khosla, founding Chief Executive Officer of Sun Microsystems, according to NYT columnist, Thomas L. Friedman.
Calera is being set up by Mr Khosla and Stanford Professor Brent Constantz. According to Mr Friedman, Calera has developed a process that takes CO2 emissions from a coal- or gas-fired power plant, sprays seawater into it and naturally converts most of the CO2 into calcium carbonate. This is spray-dried into cement or shaped into pellets and these are used as concrete aggregates.
Mr Friedman cites an unspecified source as saying that Peabody will announce its investment this week.
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