Innovators up work on 'green' hydrogen plane with plans for 9-day trip around Earth
Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 ...
Innovators gear up work on ‘green’ hydrogen plane with plans for nonstop 9-day trip ...
Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 ...