And in fact it seems that one attempted fix to the corrosion problem, epoxy-coated rebar, has already proven much worse than uncoated rebar at dealing with rust

And in fact it seems that one attempted fix to the corrosion problem, epoxy-coated rebar, has already proven much worse than uncoated rebar at dealing with rust in production: https://www.youtube.com/watch?v=xVDy84rR5Z8 https://www.youtube.com/watch?v=xVDy84rR5Z8 (That, BTW, is from a channel devoted to concrete made by a civil-engineering academic who specialises in the stuff https://www.youtube.com/channel/UCrvfiHNDS_QI-FgKQSmTITQ https://www.youtube.com/channel/UCrvfiHNDS_QI-FgKQSmTITQ )