SCA means that a retired accountant from Wandsworth will be evaluating businesses to see how much it will cost them to become carbon neutral. This poses certain problems:
And clean steel is just a pipe dream right now.
Clean steel is produced right now. Actually, the largest US producer makes nothing but clean steel. Nucor only ever recycles scrap.
Even if you mean clean virgin steel that’s also both possible and happening right now. DRI is just that. It’s not just that plants are being built around the world at least one is in production.
Along with all the other idiocies about it SCA depends upon the knowledge and technical judgements of someone with no knowledge and incapable of technological judgement. It’s not likely to work out well, is it?