GB 17691-2018: Translated English of Chinese Standard. GB17691-2018: Limits and measurement methods for emissions from diesel fueled heavy-duty vehicles (CHINA VI)
https://www.chinesestandard.net, 2019 M08 17 - 515 pages
This standard specifies the emission limits and test methods for gaseous and particulate pollutants as emitted by the vehicles equipped with compression ignition engine and its engines, as well as the emission limits and test methods for gaseous pollutants emitted from the ignition engine vehicles and its engine which use natural gas (NG) or liquefied petroleum gas (LPG) as fuel.
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Appendix F Normative Onboard diagnostic system OBD
Appendix G Normative Requirements for proper operation of the NOx control
Appendix H Normative Durability of engine system
Normative Requirements and inspection of production consistency
Appendix K Normative Portable emission measurement system PEMS along
Normative Measurement method for pollutant emission of vehicle
according activated actual addition aftertreatment alert system allowed Annex Appendix applicable average calculated calibration carry clause competent department compliance comply component concentration confirmed consistency continuous correction Council counter department of ecological described detected determined diesel diluted exhaust dilution dilution system documents drivability limit system driver dual-fuel engine ecological environment effect emission engine family ensure equipment example exceed exhaust factor failure Figure flow formula fuel ignition in-use indicator inspection installed least manufacturer mass mass flow maximum measurement meet the requirements method mode monitoring normal OBD system operating particle number particulate matter PEMS performance pollution pollution control device position pressure procedures range ratio reagent record reference regeneration response running sampling selected sensor specified speed standard Table technical temperature test cycle torque transient type test vehicle verification WHTC