Ka mana hydrogen no ka lawe ʻana i nā drones: Wingcopter a me ZAL GmbH hoʻomaka i ka hoʻomohala hui
Malaki 16, 2023, Weiterstadt/Hamburg, Kelemānia - Wingcopter, ka mea hoʻomohala Kelemania a me ka mea hoʻokele o nā drones lawe, a me Hamburg-based ZAL Center of Applied Aeronautical Research GmbH i hoʻolaha i kahi hui hoʻomohala.