Improved efficiency decreases energywaste, which means less energy is needed to complete the same tasks.
提高能源效率会降低能源浪费，这意味着完成同样的任务所需的能源将会减小。
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“Smart” grids”, which relay information about energy use to the utilities, are promoted as ways of reducing energywaste.
“智能电网”，它传播与公用事业能源使用有关的信息，作为减少能源损耗的方法正在被推广。
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In fact, it's getting easier every day, thanks to a slew of gadgets that can monitor how much electricity you use, reduce energywaste and even generate a little juice to power your digital lifestyle.