Singapore legislation
Regulation 19
of Environmental Protection and Management (Vehicular Emissions) Regulations
Regulation 19
Smoky motor vehicles
Subregulation 1
No person shall use or cause or permit to be used on any road any motor vehicle from which any smoke or visible vapour is emitted.
Subregulation 2
The driver of any motor vehicle found emitting smoke or visible vapour in contravention of paragraph (1) shall be guilty of an offence, and if the driver is not the owner of that vehicle, the owner shall also be guilty of an offence.