GB/T 20076-2021
Maximum Torque and Net Power - Motorcycles and Moped Engines.
GB 20891-2014
Diesel Engine Exhaust Limits and Measurement Methods - Non-road Machinery.
GB 20997-2024
Limits of Fuel Consumption for Light Duty Commercial Vehicles.
GB 26133-2010
Exhaust Limits and Measurements for Non-road Mobile Machinery.