The Solar Impulse flew in 2012 from Switzerland to Morocco and back without using a drop of fuel! In
The Solar Impulse is a Swiss long-range solar-powered aircraft project led by Swiss psychiatrist and aeronaut Bertrand Piccard, who co-piloted the first balloon to circle the world non-stop, and Swiss businessman André Borschberg.
Solar Impulse Makes the Trip From Switzerland to Morocco on Zero Fuel!
The project hopes to achieve the first circumnavigation of the Earth by a piloted fixed-wing aircraft using only solar power.