Sources of automobile pollutans :
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Hydrocarbons
Carbon monoxide (CO)
Nitrogen oxides (NOx)
Particulate matter - soot or smoke
Sulfur oxide (SOx)
Effect of automobile pollutants:
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i) Hydrocarbon
- prolonged exposure contributes to asthma, liver disease and cancer.
ii) Carbon monoxide (CO)
- overexposure of CO poisoning may be fatal.
iii) Nitrogen oxide (NOx)
- precursor to smog and acid rain.