Steel production accounts for roughly 7% of global greenhouse gas emissions, and nearly 70% of that comes from coal-fired blast furnaces; the dominant way the world has made iron for centuries. The Electric Arc Furnace (EAF) could decarbonize steelmaking because it can be powered by renewable electricity. It requires very pure sponge iron. Porous sponge […] Steel production accounts for roughly 7% of global greenhouse gas emissions, and nearly 70% of that comes from coal-fired blast furnaces; the dominant way the world has made iron for centuries. The Electric Arc Furnace (EAF) could decarbonize steelma... [6345 chars]