Bob Stojanovic of ABB Group - Automation and Power Technologies Director of Microgrids, listens during a press conference for the Solar Impulse 2 solar powered airplane at Kalealoa Airport in Kapolei, Hawaii on April 15, 2016. The Solar Impulse 2 sun-powered plane is set to resume its record-breaking flight around the world within days, leaving Hawaii when weather permits. / AFP PHOTO / Eugene TannerEUGENE TANNER/AFP/Getty Images