Air pollution is defined as the presence of toxic chemicals or compounds (including those of biological origin) in the air, at levels that pose a health risk. Air pollution causes injury to all living organisms. Pollutants deleteriously affect respiratory system of humans and animals.
Various effects made for controlling vehicular air pollutions are :
- Phasing out of old vehicles.
- Use of unleaded petrol.
- Promote the use of some alternative vehicular fuel like Compressed Natural Gas (CNG).
- Promote the use of electrical vehicles termed as non polluting vehicles.
- Use of low sulphur petrol and diesel.
- Application of stringent pollution-level norms of vehicles.
- Use of catalytic convertors in vehicles.