Silencers "mufflers" and exhaust pipes, and parts thereof, for tractors, motor vehicles for the transport of ten or more persons, motor cars and other motor vehicles principally designed for the transport of persons, motor vehicles for the transport of goods and special purpose motor vehicles, n.e.s (HS 870892); Air quality (ICS 13.040)
DEAS 1047:2021 Air quality — Vehicular exhaust emission limits (20 page(s), in English)
This draft Standard specifies permissible limits for common pollutants found in exhaust emissions of motor vehicles, namely carbon monoxide, particulate matter (PM), oxides of nitrogen (NOX), and hydrocarbons. The standard covers emission all types of vehicles namely, passenger cars, light commercial vehicles, heavy-duty vehicles, motorcycles and motor tricycles as given in Annex A. This standard covers only vehicle with internal combustion Engines.