Inside a hanger at a Swiss airfield is the prototype of an aircraft (illustrated above) that does not use any fuel at all.
在瑞士一个机场的飞机库里面有一架完全不用燃料的飞机原型（如上图所示）。
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This Taranis prototype won't ever go into service, but will prove technologies and concepts for future aircraft, BBC reports.
BBC报道说，这架塔拉尼斯原型机不会投入服役，但会为未来的飞机检验技术和概念。
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Climbing during daylight hours, the prototypeaircraft ultimately reached an altitude just short of 30, 000 meters, breaking records for non-rocket powered flight.