Moving hot metal to a basic oxygen furnace to make steel.Seong Joon Cho/Worldsteel—Getty Images The basic process for making steel hasn’t changed a whole lot in the past few hundred years. Into the ...

Because the current reactor can only make about a ton or two of material per month, the company plans to build an even larger demonstration plant set to come online in 2026 and begin operations a year ...

Making steel produces a lot of greenhouse-gas emissions. Now, construction is underway in Sweden on an industrial-scale plant that will emit almost zero carbon dioxide. Boston Metal, LKAB, Midrex, ...