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Proposal for new Consolidated Resolution concerning Exhaust Ultra-Fine Particle Number Measurement For Heavy Duty Engines
Document GRPE/2022/17
19 March 2021

Text prepared by IWG PMP for a new Consolidated Resolution concerning the test procedure for the measurement of ultra-fine particle emissions from Heavy Duty engines.

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Previous Documents, Discussions, and Outcomes
4.16.1. | Proposal for a new Consolidated Resolution concerning Exhaust Ultra-Fine Particle Number Measurement For Heavy Duty Engines.
7. | Particle Measurement Programme (PMP)

43. The representative from the EC, Chair of the IWG on PMP, introduced GRPE-85-37-Rev.1 giving a status report of the activities of the IWG on PMP. He started with all topics related to exhaust particulates measurement and explained that the consideration of ECE/TRANS/WP.29/GRPE/2022/17, as amended by GRPE-85-04-Rev.1, as reflected in Addendum 1, was ready for a consideration by GRPE.

44. The representative from Germany requested more information about the test procedure included in the draft resolution. The Chair of the IWG on PMP clarified that the draft proposal of a new Consolidated Resolution to allowed for SPN10 of SPN23 for Heavy Duty as per the procedure adopted for light duty vehicles (as specified in Amendment 6 to UN GTR No. 15).

45. The Chair asked about a timeline to include the content of the resolution into a UN Regulation or UN GTR. The Chair of the IWG on PMP informed that the first step was to gain experience with the procedure before including it within legally binding regulations.

46. GRPE adopted Addendum 1 and requested the secretariat to submit it to WP.29 for consideration at their June 2022 sessions as draft Consolidated Resolution concerning Exhaust Ultra-Fine Particle Number Measurement For Heavy Duty Engines.

Related and Previous Documents
GRPE-85-04/Rev.1
WP.29/2022/105
Relates to PMP | RE7: Ultra-Fine PN Emissions |