BP plc's (BP) Castellon refinery in Valencia, Spain, is set to receive 25 megawatts (MW) of proton exchange membrane (PEM) electrolyzer systems from Plug Power Inc (PLUG) . The move comes from a strategic initiative spearheaded by Castellon Green Hydrogen S.L., a joint venture between two energy giants — BP and Iberdrola (IBDRY) . The ambitious project aims to significantly cut carbon emissions by integrating green hydrogen into the refinery's processes. Plug Power, a leading provider of hydrogen solutions, ...