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See Chinese contents: HJ 689-2014 HJ 689-2014: Limits and measurement methods for exhaust pollutants from diesel engines of urban vehicles (WHTC)
This standard specifies the limits and measurement methods for exhaust pollutants from diesel engines of urban vehicles (WHTC). This standard is applicable to the type approval, production conformity inspection and in-service conformity inspection of urban vehicles with the total mass greater than 3,500 kg and their diesel engines.
