ABU DHABI — Solar Impulse 2 made history on Tuesday as the first aircraft to circle the globe powered only by the sun, opening up new possibilities for the future of renewable energy.Cheers and applause broke out as it touched down before dawn in Abu Dhabi after the final leg of a marathon trip which began on March 9 last year.Swiss explorer and project director Bertrand Piccard was in the cockpit during the more than 48-hour flight from Cairo, crossing the Red Sea, the vast Saudi desert and the Gulf.It capped a remarkable 43,000km journey across four continents, two oceans and three seas, accomplished in 23 days of flying without using a drop of fuel."The future is clean, the future is you, the future is now, let’s take it further," Piccard said after landing."One thing I would like for you to remember: More than an achievement in the history of aviation, Solar Impulse has made an achievement in (the) history of energy."We have enough solutions, enough technologies. We should never...
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