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K-Challenge Lab and Delavergne Shipyard are developing a hydrogen-powered workboat to decarbonize maritime operations. The 12-meter vessel will undergo sea trials in summer 2026 in Lorient, with commercial deployment planned for the same year. The project, supported by the Brittany Region, integrates a hydrogen fuel cell, secure storage, and a mobile refueling station, targeting immediate emissions reduction in the professional maritime sector.