Boeing has taken the lead in developing new technology to make big aircraft more efficient, more economical and more eco-friendly.

波音公司在研制新技术上处于领先地位，这些新技术使大型飞机更加的高效、经济和环保。

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Take materials scientist Ting Xu. She’s using nanotechnology to craft solar cells that are more energy-efficient and eco-friendly than oil or coal.

以材料科学家徐婷为例，她正在用纳米技术制造太阳能电池，这是比石油和煤炭热能更高更环保的能源。

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Volkswagen says it wants to be "the most eco-friendly automaker in the world", but only 6% of the cars it sold in 2010 were its most efficient models.

大众公司宣称它希望成为“世界上最为环境友好的汽车制造商”， 然而在它2010年销售的汽车中只有6% 是最高效环保的。

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This week Inhabitat also showcased an incredible spectrum of eco-efficient repurposed designs as we unveiled 23 finalists in our Spring Greening DIY Design Contest.

ENGADGET: Inhabitat's Week in Green: electric cars, solar planes, and really sweet lights

Kuan-Shu favors this type of efficient, eco-friendly innovation.

FORBES: Magazine Article

Whether for everyday use as a primary power source, for use during periods of peak grid demand, or for backup use during emergencies, fuel cells offer an attractive, efficient and eco-friendly solution.

FORBES: Grid Problems Boost Fuel Cell Market