2017 Ernst & Young study on used tyres
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“Planned obsolescence is not inevitable: Environmental and social impacts related to the general removal of tires at 3 mm tread depth across the European Union” Document provided by the GRB secretariat in relation to France presentation on worn-tyre provisions under UN R117.

Reference Number: GRB-69-09
Date: 22 January 2019
Related Documents:
GRB-69-08 | UN R117: Amendment proposal to introduce of worn tyre provisions
GRB/2019/6 | UN R117: Proposal for a Supplement
Working Party on Noise | Session 69 | 23-25 Jan 2019

21. The expert of France proposed a wet adhesion requirement for C1 tyres in a worn state (ECE/TRANS/WP.29/GRB/2019/6 and GRB-69-08). The proposal received comments from ETRTO (GRB-69-10). GRB also noted a recent study on used tyres (GRB-69-09). GRB was of the view that this topic should be pursued in the framework of a new IWG and adopted its Terms of Reference (GRB-69-23), as reproduced in Annex V to the session report. Various experts expressed their willingness to contribute to the activities of the newly established IWG. The experts from France and the European Commission volunteered to act as Chair and Co-Chair, respectively, while ETRTO agreed to provide secretariat support.