The experimental plane Solar Impulse 2, which completed a historic round-the-world trip in 2016 without using jet fuel, crashed into the Gulf of Mexico recently, its owner revealed.

The final flight and complex legacy of a pioneering solar-powered aircraft.

L’appareil, transformé en drone, participait à un exercice de la marine américaine. Il a été victime de la météo, selon son nouveau propriétaire, Skydweller Aero. Solar…