With the increase of motor vehicles, pollution caused by lead in waste gas is getting more and more serious.

随着各种机动车辆的增加，排放的废气中铅污染问题也日益突出。

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We will do our best to reduce damage and pollution caused by cable cars and other vehicles.

尽量减少缆车等机动工具对景观的破坏和污染。

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In order to make the vehicle start smoothly at a low temperature and reduce the emission pollution caused by cold start, more and more vehicles choose to use the parking heater.

为了使车辆能在低温下顺利起动，减少车辆冷起动带来的排放污染，越来越多的车辆开始使用驻车加热器。

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The level of air pollution caused by vehicles across Sheffield is being monitored at sites across the city.

BBC: Traffic pollution tested across Sheffield

The majority of the pollution is caused by vehicles on the road and experts say reducing traffic in the cities is the best way of improving air quality.

BBC: Air pollution fears in Leicester and Nottingham

In the long run, though, it seems the train has reduced the pollution formerly caused by cars and trucks and reduced the number of animals killed by vehicles driving through the park.

BBC: Eco-scorecard to the world��s great attractions