Hainan Provincial Standard of the People's Republic of China
Latest
DB46/ 231-2012
Scope
It is suitable for the detection of exhaust pollutants of in-use light-duty vehicles using gasoline, single fuel and dual-purpose fuel, but is not suitable for the detection of exhaust pollutants of full-time four-wheel drive and other types of vehicles.
DB46/ 231-2012 history
2012DB46/ 231-2012 Limits of Exhaust Pollutant Emissions from In-use Ignition Engine Vehicles (Steady State Method)