Jug kettles are fast and convenient, but their fuel - electricity from the national grid - produces almost three times more greenhouse gas for each unit of heat than burning gas in the home does.

电热水壶烧水快而且方便，不过它们的燃料——来自全国电网的电——产生每单位热量所排放的温室气体是自己在家烧煤气的3倍。

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Biofuel consumption may be as simple as throwing a log on a fire or as complex as burning a combustible gas derived from plant matter in a combined-cycle electricity-generating unit.

生物燃料消耗可作为简单，扔在火日志或如燃烧的可燃气体，植物物质产生的联合循环发电装置复杂。

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For the fire accident of electrical fire, first cut off the power supply, to avoid accident expansion and burning accident unit.

对于因电起火的火灾事故，首先要切断供电电源，避免事故的扩大和机组烧毁事故的发生。

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But there's no denying that burning natural gas (methane, that is) produces less carbon dioxide per unit of energy than burning coal.

FORBES: Energy Under Our Feet

Also, burning wood releases three times more carbon into the atmosphere than burning natural gas, per unit energy generated, said Booth.

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Nevertheless, the unit was still regarded as a fantastic DSLR, and if you've got five grand just burning a hole in your pocket, why not take some time out and read the full review before taking the plunge?

ENGADGET: Canon's EOS-1D Mark III DSLR gets reviewed