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。
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。
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.
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