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.