Solar Impulse to fly 2,500 km without liquid fuel

摘要

Solar Impulse, the first aircraft capable of flying day and night relying exclusively on solar power, is to go on a mission to fly 2,500 kms between Switzerland and Morocco in May or June this year. Bertrand Piccard and Andre Borschberg, the two leaders of the project, announced,on 28 March, to attempt the flight which, if successful, will mark the longest airborne journey ever to have accomplished without the use of fossil fuels.