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0:55min video with no sound H55 is a technological legacy of Solar Impulse, the first airplane to fly day and night with unlimited endurance and having completed in 2016 the historical 42’000KM around the world journey in an electric airplane powered only by solar energy. H55 develops and leverages the potential of electric propulsion in the world of aviation, making air transport cleaner, quieter, safer and more affordable. H55 focuses on the entire propulsion chain starting from the energy source and its
