Solar Impulse 2: The Round-The-World Aircraft Is Completed

Originally published on 1Sun4All. Today in Payerne, Switzerland, Bertrand Piccard and André Borschberg launched Solar Impulse 2, their new single-seat solar aircraft designed to take up the challenge of the first round-the-world solar flight (without any fuel whatsoever) in 2015. If you missed the presentation, check out CleanTechnica’s exclusive coverage and three Solar Impulse videos shared … [continued]