Solar Impulse

[Lindberg]

Lost among the discussions of closed runways and closed airports at OSH, Solar Impulse ended its circumnavigation journey earlier today:

Solar Impulse 2 reaches Abu Dhabi, completes fuel-free global journey

http://www.foxnews.com/science/2016...dhabi-completes-fuel-free-global-journey.html

Quite a journey, to be sure. But not fuel free.