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Emission Standard

Petrol & LPG

Type of vehicle Carbon Monoxide CO (%v/v) Hydrocarbon HC (ppm v/v)  
Petrol vehicles other  than motor cycles  & motor tricycles 3.0 1000 Both Idling and
2500RPM/ no load
Petrol motor cycles 4.0 6000 Both Idling and
2500RPM/ no load
Petrol motor  tricycles 4.0 6000 Both Idling and
2500RPM/ no load

Abbreviations

  • % v/v - Percent by volume
  • ppm v/v - Parts per million by volume
  • RPM - Revolutions per minute

Diesel

Type of vehicle k factor
Diesel Vehicles 4.0

Abbreviations

  • k factor - Absorption Coefficient
  • Snap Acceleration - has the same meaning as defined In SAE RECOMMENDED PRACTICE J1667
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