DUISBURG, GERMANY - NOVEMBER 14: King Willem-Alexander of the Netherlands and Prime Minister of North Rhine-Westphalia Hendrik Wüst learn how hydrogen fuel cells are made from Bi-polar plates at the hydrogen and fuel cell centre ZBT (Zentrum für Brennstoffzellen-Technik (ZBT), a research institute in Duisburg which works closely with its Dutch partner, NedStack, during a visit to Germany on November 14, 2023 in Duisburg, Germany. (Photo by Andreas Rentz/Getty Images)
