Green Navy, a company based in Fouesnant, unveiled the 'Prometeo' project at NAVEXPO, showcasing the first European catamaran powered by electro-hydrogen propulsion for maritime passenger transport. The event, held in the harbor of Lorient, featured Green Navy introducing their design philosophy focused on enhancing ship energy efficiency and reducing CO2 emissions. The innovative vessel highlights technological advancements and represents a significant step towards sustainable maritime transport. The conference hosted by Green Navy provided insights into the target market for the electro-hydrogen catamaran, displaying a strong commitment to green naval solutions and environmental sustainability in the maritime industry.