Air pollution was caused by excessive use of vehicles. Why did this happen?
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Road transport is a major source of air pollution that harms human health and the environment. Vehicles emit a range of pollutants including nitrogen oxides (NOx) and particulate matter (PM).
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Road transport is a major source of air pollution that harms human health and the environment. Vehicles emit a range of pollutants including nitrogen oxides (NOx) and particulate matter (PM).
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