Maintaining safe speeds and being electric, self-driving cars would drastically reduce pollution levels and dependency on non-renewable fuels.

保持安全速度和电力驱动的自动驾驶汽车将大幅降低污染水平，减轻对不可再生燃料的依赖。

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We fear the breakdown of the electric grid, the end of non-renewable resources, the expansion of deserts, the loss of islands, and the pollution of our air and water.

我们担心电网会崩溃、不可再生资源会枯竭、沙漠会扩张、岛屿会消失、空气和水会受到污染。

youdao

Find something that makes a very quiet, steady sound. A small fan on a low setting or a real, non-electric, ticking watch or clock are ideal.

找一些安静、稳定的东西，一台低音的小风扇，一只电子手表或钟是一个很好的选择。

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Acquiring this simple and non-polluting form of electric light,he points out, promotes education, public health,economic security and a cleaner environment.

VOA: standard.2009.12.13

Haager recorded the Cycloptic Myopia EP in an apartment in Berlin with the help of Sven and Sebastian, two German musicians Haager met while playing non-electric shows in the area.

NPR: Hungry, Hungry Ghost: 'Breathing Animals'

Just two non-electric vehicles (the Smart and Scion iQ) average over 35 mpg, while the average fuel economy of cars sold in 2012 averaged just 23.1 mpg, according to industry analyst TrueCar.

WSJ: Henry Payne: The Motor City Roars Out of Washington's Shadow

It's important to note, however, that Columbia's non-electric Omni-Heat offerings aren't included in the recall -- and, for the record, that stuff does a stellar job of keeping one warm without any whiz-bang circuitry.

ENGADGET