AAP: An aeroplane powered solely by energy from the sun is headed across the Atlantic on one of the longest legs of the first-ever flight around the globe without using a drop of fuel. The spindly, single-seat Solar Impulse 2 left John F. Kennedy International Airport at about 2.30am local time on Monday on a trip expected to take up to 90 hours, the 15th leg of its round-the-world journey. Swiss aviators Bertrand Piccard and Andre Borschberg have been taking turns piloting the plane, which has more...