Brennan, Síle Brauner, Christian Davis, Dennis De Backer, Natalie Dyck, Alexander García-Hernández, César Vagner Gaathaug, André Kupka, Petr Grand-Clement, Laurence Havret, Etienne Houssin, Deborah Lecomte, Laurent Maranne, Eric Steele, Pippa Russo, Paola Pinilla, Adolfo Schoepf, Gerhard Molkov, Vladimir European hydrogen train the trainer framework for responders: Outcomes of the HyResponder project Int. j. hydrogen energy 10.1016/j.ijhydene.2024.07.038 2024 2024