Rio Tinto, Paul Wurth S.A. and SHS-Stahl-Holding-Saar GmbH & Co. KGaA (SHS) have signed a Memorandum of Understanding to explore the viability of transforming iron ore pellets into low-carbon hot briquetted iron (HBI) (a form of Direct Reduced Iron, DRI), a steel feedstock (earlier post) using green hydrogen generated from...