In fact, it's getting easier every day, thanks to a slew of gadgets that can monitor how much electricity you use, reduce energy waste and even generate a little juice to power your digital lifestyle.

事实上，感谢那个旋转的小发明可以检测每天我们电的使用量，它使我们每天变得很轻松。减少能源的浪费和做一点果汁给你的数字生活风多风采。

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These will include, for instance, engineers’ best calculations of how much it costs to generate electricity in various ways, from coal, gas and nuclear and solar power at given resource prices.

例如，有工程师根据一定的能源价格对各种发电形式的成本计算，包括燃煤发电、燃气发电、核能与太阳能发电。

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Using LFG to generate electricity can bring us great social and economic benefits. How the parameters of combustion system impact on engine performance is discussed in this paper.

用垃圾填埋气(L FG)作燃料的发动机进行发电具有较大的社会效益和经济效益，本文讨论了L FG发动机燃烧系统各种参数对填埋气发动机性能的影响。

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Currently there are ways for solar power plant owners to crunch numbers to project how much electricity their power plants might generate year after year.

FORBES: Feds Fund Four Projects To Simplify Solar Gear Designs and Predict Power Output

How do these utilities generate electricity, and are their expenses reasonable compared to revenues?

FORBES: 'Tis The Season To Buy A Utility Stock

One Hong Kong inventor is taking renewable energy a step further, developing technologies to generate electricity while you workout, and even figuring out how to create a wind farm on your balcony or roof.

CNN: Lucien Gambarota: Alternative energy pioneer