A big part of the emissions don't actually come from heating up the smelters, but for reducing the iron oxide into iron. Here in Sweden there is a project aiming to replace the coal with local, electrically produced hydrogen gas which will reduce the iron without the emissions of CO2.
Swecular t1_j5pg049 wrote
Reply to comment by HermesTheMessenger in Reducing the carbon footprint of the steel industry could help curb climate change, but these improvements won't happen without international policy change, new research says. by Impossible_Cookie596
A big part of the emissions don't actually come from heating up the smelters, but for reducing the iron oxide into iron. Here in Sweden there is a project aiming to replace the coal with local, electrically produced hydrogen gas which will reduce the iron without the emissions of CO2.