Cars and heavyduty diesel vehicle had the largest impact to environmental pressure compared with all kinds of traffic tools and was the most sensitive response to policy.

小汽车及重型柴油车相对于各种交通工具所产生的环境压力最大，对政策反应也最为敏感。

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With the growing number of the cars, Vehicle noise pollution has become an increasing concern for environmental issues.

随着汽车保有量的不断增加，车辆噪声污染已经成为人们越来越关注的环境问题。

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High pressure cleaning vehicle was a type of specialty vehicle for road surface cleaning, maintenance and environmental protection.

高压清洗车是城市路面清洁、路面维护和防治环境污染的专用车辆。

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"If you are considering purchasing an electric vehicle for its environmental benefits, first check your electricity source and second look closely at the warranty on the batteries, " said Professor Stromman.

BBC: Electric cars 'pose environmental threat'

When it is at last unveiled, many suspect it will be used primarily as a vehicle to impose various environmental obligations on utilities, rather than as a way of introducing competition quickly.

ECONOMIST: Chopping up America’s power | The

Air quality was addressed first as the country began implementing tighter vehicle emissions standards and new environmental regulations.

FORBES: Quenching China's Thirst For Water