text: Conserving resources is an important advantage to limiting car usage. Resouces are what people, plants and animals need. To conserve resources, air pollution can not be a problem but it is because of the dieselsl from cars. "After days of near-record pollution, Paris enforced driving ban to clear the are of the global city." states, the narrator of source 2. This states that driving a vehicle that contains diesel engines has caused pollution and it has been banned to clear the air in the city. Air pollution is when harmful solid particles and gases mixed in the air. "pedestrian, bycycle, private cars, commercial and public transportation" are was to reduce air pollution, explains source 4.