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10 low-carbon tips to save money (4)

(Chinadaily.com.cn)    09:11, April 22, 2014
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3. Upgrade your refrigerator and air conditioner, especially if they are more than five years old. New ones are at least twice as efficient. With older fridges, an upgrade can pay for itself in as little as three years in energy savings alone.(chinadaily.com.cn)


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(Editor:KongDefang、Yao Chun)

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