The presence of innovative scientific projects at EHEC 2022 was very extensive and during the edition, more than 300 Call for Abstracts from 35 countries were submitted. The participating entities, associations, companies, public institutions and administrations, and university and research centres presented a wide range of topics such as Renewable Hydrogen Production, Hydrogen Storage and Distribution, Cross cutting topics, Catalysts and electrodes, Fuel Cells, Modelling and Hydrogen in Transport.