Over its lifetime, claims the United States Environmental Protection Agency, a CFL saves 2, 000 times its own weight in greenhouse gases.
终其一生，美国环保署宣称，CFL减少排放的温室气体是它自身重量的2,000倍。
The US Environmental Protection Agency (EPA) requires that automotive fuels sold in the United States contain detergents to help scrub away pollution before it goes out the vehicle’s tailpipe.
美国环境保护局（EPA）规定，在美国销售的汽油必须含有洗涤剂，保证污染物在排出尾气管之前就被分解掉。
The US Environmental Protection Agency (EPA) requires that automotive fuels sold in the United States contain detergents to help scrub away pollution before it goes out the vehicle's tailpipe.
美国环境保护局（EPA）规定，在美国销售的汽油必须含有洗涤剂，保证污染物在排出尾气管之前就被分解掉。
In the United States, deciduous trees planted along the south side of buildings can reduce air conditioning costs by 20 percent, the U. S. Environmental Protection Agency has advised.
美国环境保护署(Environmental Protection Agency)建议说，在美国，沿建筑物南侧栽种落叶树可以使空调费用降低20%。
The Environmental Protection Agency says the United States has about ten thousand data centers.
（美国环保署）说，美国大约有1万个数据中心。
The Environmental Protection Agency says the United States has about ten thousand data centers.
（美国环保署）说，美国大约有1万个数据中心。
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