Home owners are being encouraged to insulate their homes to save energy.
《牛津词典》
2
有些特殊装置还可以监测设备的耗能情况并通过调节那些设备来节约更多的能量。
Some devices can track how much energy each appliance is using and command it to use less.
3
更高效的内燃发动机将进一步节约油耗，混合动力装置把电动马达同传统引擎组合在一起。
More efficient internal-combustion engines will wring out mileage from every drop of fuel, and hybrid powertrains will combine an electric motor with a conventional engine.
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