A prototype solar-powered plane has made its first full test flight - coming closer to the goal of using solar energy to fly around the world.

一架以太阳能为能源的飞机已经圆满完成其首次试飞任务——其结果越来越接近我们利用太阳能环球飞行的目标。

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In those earliest days of powered flight, when so much had yet to be proven about aircraft technology and handling, almost any pilot was a test pilot of sorts.

在动力飞行，那些最早的日子，这么多尚未被证明是对飞机的技术和处理，几乎所有的驾驶员是各种各样的试飞员。

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Sunday's flight clears spaceship builder Scaled Composites to begin rocket-powered flights next year, and test flights in space in late 2011 or early 2012.

周日的飞行明确了宇宙飞船建造商s caled Composites将要在明年开启装有火箭发动机的飞行计划，在太空中的试验飞行将在2011年底或2012年初进行。

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SpaceShipTwo, its inventively named commercial vehicle designed to take (well-moneyed) civilians into outerspace, has just completed its first rocket-powered test flight.

ENGADGET

The Air Force is also testing jet engines using biofuels and had the first successful biofuel-powered test flight just last week.

WHITEHOUSE: Energy Security and Independence

Speaking of sun-powered planes, the Solar Impulse just made its final test flight around the San Francisco Bay Area before embarking on a cross-country voyage next week.

ENGADGET: Inhabitat's Week in Green: flying electric car, 3D-printed livers and a two-story-tall bike