Janhunen says it would take a 440-pound (200-kilogram) spacecraft using an electric sail less than five years to travel between Earth and dwarf planet Pluto.

Janhunen说，采用该电驱动帆作为动力，440磅(200千克)重的航天器从地球飞到冥王星所需时间少于5年。

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A spokesman for Nissan said a shipment of 600 brand-new all-electric Leafs had set sail for the U.S. prior to the earthquake.

日产的一位发言人称在地震前已经有600辆全新的纯电动汽车Leaf运往美国。

youdao

A spokesman for Nissan said a shipment of 600 brand-new all-electric Leafs had set sail for the U. S. prior to the earthquake.

日产的一位发言人称在地震前已经有600辆全新的纯电动汽车Leaf运往美国。

youdao

This week we saw new horizons dawn for green transportation as NASA's Nanosail-D became the first solar sail spacecraft to orbit the earth and President Obama issued a call for one million electric vehicles in his State of the Union Address.

ENGADGET: Inhabitat's Week in Green: the power plant you can ski, and NASA's orbiting Nanosail-D