Spanish Cepsa has selected German Siemens Energy for the supply of 100 megawatts (MW) of proton exchange membrane (PEM) electrolysis technology for green hydrogen production at the company’s La Rábida Energy Park in Palos de la Frontera, Huelva, southern Spain.Courtesy of Cepsa The PEM electrolysis will complement the use of alkaline water technology that Cepsa has decided to implement for...