Minister
Kailash Gahlot
Vehicular Pollution in Delhi
Know the Exhaust Emission Standards
Effects on Human Health
P.U.C. Certificate
Steps Taken by Delhi Govt. to reduce the Pollution in Delhi
Supreme Court Direction
Alternate Fuel to Control the pollution
Liquefied Petroleum Gas
Pollution checking centers
Application invited for CNG fitment center.
Information on Pollution Checking Centres under RTI Act, 2005
Know the Exhaust Emission Standards

The pollution standards for in use vehicles have been
prescribed under Rule 115(2) of Central Motor vehicles Rules, 1989.
They are :

(I) 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 4- wheelers manufactured as per pre Bharat Stage II norms 3.0 1500
5 4- wheelers manufactured as per Bharat Stage- II, Bharat Stage III 0.5 750

(Petrol/Compressed Natural Gas/liquefied Petroleum Gas driven vehicles, manufactured



S.No.Vehicle TypeIdle Emission LimitHigh Idle Emission Limited
(1)(2)(3)(4)
  CO%HC(n Hexane Equivalent ppm)CO%Lambda(RPM-2500±200)
1.Compressed Natural Gas/Liquefied Petroleum Gas driven 4 wheelers manufactured as per Bharat Stage IV norms.0.3%200ppm--
2.Petrol driven 4-wheelers manufactured as per Bharat Stage IV norms.0.3%200ppm0.21­/+ 0.03 or as declared by the vehicle manufacturer.
(II) For Diesel Vehicles
S.No.Method Of TestMaximum Smoke Density
(1)(2)(3)
  
Light absorption coefficient (1/metre)
Hartidge Units
1.
Free acceleration test for turbo charged engine and naturally aspirated engine for vehicles manufactured as per pre-Bharat Stage IV norms.
2.45
65
2.
Free acceleration test for turbo charged engine and naturally aspirated engine for vehicles manufactured as per Bharat Stage IV norms.
1.62
50"
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Last Updated : 23 August, 2018