A startup backed by tech billionaires Bill Gates and Vinod Khosla says it has successfully tested a new approach for making steel that minimizes planet-warming emissions without raising costs above ...

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 ...

Boston Metal completed its first run of an industrial reactor that uses electricity to make steel. This article is from The Spark, MIT Technology Review’s weekly climate newsletter. To receive it in ...