In addition to pollution and traffic jams, auto safety is a critical issue in developing nations.

除了污染和交通堵塞，汽车安全也是发展中国家面临的一个关键问题。

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Unlike auto rickshaws, which burn fuel, cycle rickshaws produce no pollution. But the job of a rickshaw puller is not easy.

不同于烧油的自动黄包车，周期人力车没有污染。但车夫的工作却不因此而变得轻松。

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The brave new technology could drastically cut air pollution from auto emissions and other sources.

这种引入注目的新技术能极大地减少汽车尾气和其它原因造成的空气污染。

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Not only do commuters in Southern California inhale the worst year-round particle pollution levels, but Riverside drivers also face the highest rate of fatal auto accidents per capita, and Los Angeles drivers spend the most time sitting in traffic.

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