Klaus Bonhoff has managed the activities of the National Organization Hydrogen and Fuel Cell Technology (NOW) since its founding in 2008, making him the face of the German H2 and fuel cell industry. He has travelled around the world, patiently explained strategies and made the case for greater commitment. But he has also had to face criticism whenever projects were not implemented as quickly as had been hoped. H2-international spoke with the chair of NOW during the Hanover trade show