New electric engines coupled with artificial intelligence and autonomous systems will contribute to a more efficient, integrated transport system that is less polluting and less noisy.
新型电动引擎与人工智能和自主系统相结合，将有助于建立一个更高效、污染更少、噪音更少的综合运输系统。
When people began to realise that there was not enough oil on the earth, they asked car makers to produce more efficient and less polluting cars.
当人们开始意识到地球上没有足够的石油时，他们要求汽车制造商生产能效更高、污染更少的汽车。
For those who have to use cars, we can encourage them to move to cleaner and less polluting fuel by offering subsidies.
对那些必须使用汽车的员工，我们可以为他们提供补贴，让其使用更清洁和污染较少的燃料。
It's safer and less polluting.
这样更安全，产生的污染物更少。
In the article, ways to make tires less polluting are also put forward.
文中还提出了减轻轮胎污染的途径。
In addition to being less polluting, the engines are extremely efficient in converting gasoline or hydrogen into electric power to drive the vehicle.
除了会减少污染外，新的引擎还以更高的效率把汽油和氢能转化成电能，驱动汽车行驶。
China has emerged in the past two years as the world's leading builder of more efficient, less polluting coal power plants, mastering the technology and driving down the cost.
在过去两年里，中国修建了更多的高效、清洁的燃煤火电厂，他们掌握了技术并削减了成本。
The power stations frantically being built in China to feed the country's new electricity grid will be relatively efficient and thus less polluting than older coal plants around the world.
为了满足中国新电网而疯狂建造中的电力站与其他国家老式煤炭发电站相比效率较高，污染较小。
Nuclear energy is less polluting than gas from a climate-changing perspective, but it is costly and viewed skeptically in the United States because of the dangers of disposing of radioactive waste.
核能比天然气的污染少，但是成本太高，而且因为放射性废物处置存在的高度危险性而被美国上下置疑。
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