Utilising the cheap and plentiful coal tar that was an almost unlimited byproduct of London's gas street lighting, the dye works began producing the world's first synthetically dyed material in 1857.

煤焦油是伦敦煤气道路照明几乎无限的副产物，利用便宜量大的煤焦油，染厂于1857年开始生产世界上第一种合成染色材料。

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Lighting accounts for about 7% of the total electricity consumed in the US. Since lighting is often far removed from the power source—such as the distance from a power plant to street lamps on a remote highway—a lot of energy is lost during transmission.

在美国，照明约占总耗电量的7%。由于照明通常远离电源——例如从发电厂到偏远公路上的路灯——因此大量的能源在传输过程中会损失掉。

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Using reams of blinking LEDs for street lighting may save energy, but clashes horribly with the pretty architecture of old Shanghai.

大量发光二极管被应用于街灯照明，虽可节能，但未免与老上海的建筑风格格格不入。

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Pavements on Dogs Head Street, Falcon Road, Silent Street and Lower Brook Street are being realigned, and lighting and street furniture added.

BBC: Ipswich bus station 'remodelling' begins

The Los Angeles project is of a piece with a larger shift to LED street lighting.

FORBES: Los Angeles Saves Millions With LED Street Light Deployment

Cost-cutting plans to reduce street lighting across East Sussex are being extended to Lewes.

BBC: East Sussex street light savings bid moves to Lewes