This is the future of energy un transports. Planes working with green energies able to fly without additional fuels.
Check this interesting news.
After the Solar Impulse prototype’s 8 world records, when it became the first solar airplane ever to fly through the night, between two continents, and across the United States, it is time for Bertrand Piccard and André Borschberg to move on to the final phase of the adventure: the 2015 round-the-world flight. Clic con the images and vídeos.
vía SOLAR IMPULSE – The First Round-The-World Solar Flight.
vía SOLAR IMPULSE – The First Round-The-World Solar Flight.
RINCON DE LA CLASE. CLASS CORNER 
Mateo
10 March, 2015 at 20:40
sorry its very big the plane oh
nachohs
10 March, 2015 at 20:56
Yes. But the planeta needs enough surface con the wings to get and absorve energy from the sun.
Mateo
23 March, 2015 at 20:25
oh nacho what is con
nachohs
5 May, 2015 at 23:47
what do you mean??
mar5
5 May, 2015 at 13:52
wow,realy interesting!!!
I think is a very good idea . what do you think?
mar5
5 May, 2015 at 13:53
; ) ; )