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Report of the 4th Vehicle Sound task force session

Reference Number: TFVS-04-16

Meeting Sessions: 4th TFVS session (13-14 Sep 2021)

Document date: 14 Oct 21

Relevant to

UN Regulation No. 9 | Three-Wheeled Cycle Noise, UN Regulation No. 41 | Motorcycle Noise, UN Regulation No. 51 | Vehicle Noise Emissions, UN Regulation No. 59 | Replacement Silencing Systems, UN Regulation No. 63 | Two-wheeled Moped Noise, UN Regulation No. 92 | Replacement Exhaust Silencing Systems for Motorcycles, UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance, UN Regulation No. 138 | Quiet Road Transport Vehicles, and WP.29 Discussion Topic | Vehicle Sound

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.docx format

UN R92: Presentation on proposed amendments

Reference Number: GRBP-74-40

Presentation on proposed amendments to align with the latest amendments made on UN Reg 41 and to reduce the number and amount of different exhaust types to be approved by NORESS manufacturers

Submitted by: Italy

Meeting Sessions: 74th GRBP session (15-17 Sep 2021)

Document date: 15 Sep 21

Relevant to

UN Regulation No. 92 | Replacement Exhaust Silencing Systems for Motorcycles

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.pdf format

.pptx format

Development of automatic illegal replacement muffler detection system

Reference Number: TFVS-04-08

Submitted by: NTSEL

Meeting Sessions: 4th TFVS session (13-14 Sep 2021)

Document date: 10 Sep 21

Relevant to

UN Regulation No. 92 | Replacement Exhaust Silencing Systems for Motorcycles and WP.29 Discussion Topic | Vehicle Sound

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.pdf format

Guidelines of the Task Force on Vehicle Sound

Reference Number: TFVS-04-05

Meeting Sessions: 4th TFVS session (13-14 Sep 2021)

Document date: 06 Sep 21

Relevant to

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.docx format

Draft report of the 3rd Sound Limits task force session

Reference Number: TFSL-03-08

Meeting Sessions: 3rd TFVS session (12 Jul 2021)

Document date: 02 Aug 21

Relevant to

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.docx format

Guidelines for a task force on future sound emissions provisions

Reference Number: TFSL-03-07/Rev.1

Meeting Sessions: 3rd TFVS session (12 Jul 2021)

Document date: 29 Jul 21

Relevant to

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.docx format

UN R92: Proposal for amendment

Reference Number: GRBP/2021/11

Proposal to align UN R92 with the latest amendments to UN R41 and to reduce the number of exhaust system types (allowing for slight differences in drawings) to be approved by NORESS manufacturers.

Submitted by: Italy

Meeting Sessions: 74th GRBP session (15-17 Sep 2021)

Document date: 29 Jun 21

Document status: Formal GR review

Relevant to

UN Regulation No. 92 | Replacement Exhaust Silencing Systems for Motorcycles

View full document file for more information

Download from UNECE:

.pdf format

.docx format

Comments on the draft Sound Limits task force guidelines

Reference Number: TFSL-02-03/Rev.1