Section 115 in The Central Motor Vehicles Rules, 1989 [Entire Act]
Driven Vehicles
S.No.
Vehicle Type and Applicability
CO%
*HC(n-hexane equivalent) ppm
1.
Two Wheelers (2/4 – Stroke) (Vehicles manufactured on and before ... formula: NMHC=0.3 x HC Where HC= Total Hydrocarbon measured as n-hexane equivalent Similarly idling emission standards for vehicles when operating on Liquefied Petroleum