Consumer electronics: Tiny semiconductor crystals, called quantum dots, enable new forms of energy-efficient lighting.

消费电子：叫做量子点的微型半导体晶体能以新的形式实现节能照明。

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Under federal rules that take effect in 2012, they will be replaced by more efficient lighting technologies, such as LEDs.

根据将在2012生效的联邦法律，白炽灯将被更高效的照明技术取代，如二极管灯(LED)。

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Like other green buildings, it will rely on natural light and ventilation, and energy-efficient lighting.

和其他绿色建筑一样，它将依靠自然光和通风以及高效节能的照明系统。

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In contrast,a light bulb has much more impact in the use phase, where it's using the energy, and where you can reduce that with more efficient lighting technologies,"

VOA: standard.2009.03.30

He's also decided to give up leadership in Light up the World Foundation to start a company in India that will develop a more energy-efficient and cheaper lighting system that he hopes will bring even more light to the world's poor.

VOA: standard.2009.12.13

Cree makes energy-efficient lighting that can save businesses and consumers a lot of money.

WHITEHOUSE: Our Top Stories

In North Carolina, there's a company that makes energy-efficient lighting -- hired hundreds of new workers.

WHITEHOUSE: Winning the Future with Clean Energy

As efficient lighting technologies, like LEDs, go mainstream they become almost like a new source of green energy.

FORBES: A New Source of Green Energy: LEDs