Repsol SA has approved construction of its first large-scale renewable hydrogen production plant at the operator’s 220,000-b/d Cartagena refinery in Spain’s southeastern province of Murcia, along the Mediterranean Sea. Scheduled for startup in 2029, the planned 100-Mw electrolyzer will be equipped to produce up to 15,000 tonnes/year (tpy) of renewable hydrogen for industrial use, the company...