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The manufacture of “green steel” moved one step closer to reality Friday as Massachusetts-based Boston Metal announced a $120 million investment from the world’s second-largest steelmaker, ArcelorMittal. Boston Metal will use the injection of funds to expand production at a pilot plant in Woburn, near Boston, and help launch commercial production in Brazil. The company uses renewable electricity to convert iron ore into steel. Steel is one of the world’s dirtiest heavy industries. Three-quarters of world production uses a traditional method that burns through train loads of coal to heat the furnaces and drive the reaction that releases pure iron...

There is much agitation in the climatosphere about the amount of “coking coal” used in making steel. A number of allegedly smart folks are working on ways to replace that coal with hydrogen to reduce the amount of eeevil CO2 produced in steelmaking. There’s a very recent post on the subject here on WUWT, describing a “green steel” method developed in Sweden. So I thought I’d take a look at the numbers for steel for the European Union. If you know me, you know I like to run the numbers myself. From “Hydrogen In Steel Production“, I find: The steel...