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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They include advanced, membrane-filtered wastewater treatment systems, solar-powered, high-efficiency lighting and natural gas combined-cycle turbines that will deliver power, heating and cooling.

它们包括先进的薄膜过滤污水处理系统、高效的太阳能照明，以及用于供电、供热和制冷的天然气联合循环涡轮机。

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Lighting the gas, he sat down, preparing to wait a little while.

他点亮煤气灯，坐了下来，准备等一小会儿。

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Curious facts tumble from the pages that the aspidistra owed its popularity, for example, to its ability to withstand the fumes from gas lighting.

ECONOMIST: 19th-century domesticity

Thanks to the solar heater, a shower is a daily possibility, and the biogas digester -- which converts human and pig waste to a clean gas that can be pressurized -- has enabled cooking and lighting.

CNN: 'Green' revolution under way in rural China

Case in point: a scene from the upcoming documentary Gasland, which features a man lighting his faucet water on fire and making the ridiculous claim that natural gas drilling is responsible for the incident.

FORBES: Slurring Natural Gas With Flaming Faucets And Other Propaganda