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Know the Exhaust Emission Standards |
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The pollution standards for in use vehicles have been prescribed under Rule 115(2) of Central Motor vehicles Rules, 1989. They are:
Petrol/CNG/LPG Vehicles:
| S. No |
Vehicle Type |
CO % |
HC (n-hexane equivalent) ppm |
| 1 |
2&3-Wheelers (2/4-stroke) (Vehicles manufactured on and before 31/3/2000) |
4.5 |
9000 |
| 2 |
2&3-Wheelers (2-stroke) (Vehicles manufactured after 31/3/2000) |
3.5 |
6000 |
| 3 |
2&3-Wheelers (4-stroke) (Vehicles manufactured after 31/3/2000) |
3.5 |
4500 |
| 4 |
Bharat Stage-II compliant 4- wheelers |
0.5 |
750 |
| 5 |
4-wheelers other than Bharat Stage- II |
3.0 |
1500 |
Diesel Vehicles: Smoke density for all diesel driven vehicles should not exceed 65 Hartridge Smoke Units.
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