SSAB is already dabbling in this. They've done proof of concept carbon free steel reduced via solar hydrogen, melted in electric arc furnaces, and heated electrically all on renewable power. They had to ship it to various places to achieve this but it is possible to do this at a single place.
Pulptastic t1_j5r2o7v wrote
Reply to comment by PhilGibbs7777 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
SSAB is already dabbling in this. They've done proof of concept carbon free steel reduced via solar hydrogen, melted in electric arc furnaces, and heated electrically all on renewable power. They had to ship it to various places to achieve this but it is possible to do this at a single place.