A breakthrough in the race to make useful products out of planet-heating CO2 emissions has been made in southern India. A plant at the industrial port of Tuticorin is capturing CO2 from its own coal-powered boiler and using it to make soda ash – aka baking powder. Crucially, the technology is running without subsidy, which is a major advance for carbon capture technology as for decades it has languished under high costs and lukewarm government support.

 

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