GB 18176-2016
Limits and Measurement Methods for Emissions from Mopeds.
GB 18285-2018
Pollutants from Vehicles with Petrol Engines at Idle Speed.
GB/T 18377-2001
Requirements and Measurement Methods of Catalytic Converters for Petrol Vehicles.
GB/T 19233-2020
Measurement Methods of Fuel Consumption for Light-duty Vehicles.