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36. The expert from OICA introduced GRPE-80-26 summarizing the outcome of the Heavy Duty Fuel Economy (HDFE) workshop held earlier during the GRPE week. He highlighted there is continuous interest from contracting parties on the topic of harmonization of HDFE, but that, to date, no contracting parties were in the position to sponsor the creation of a new IWG on the issue.
37. The Chair confirmed that the situation, where there is interest to work on a topic but no resources are available, was unfortunate. He welcomed the proposal from OICA to have an ad-hoc group open to all interested parties to work on the development of harmonized guidance provisions that could then be considered by GRPE. He requested more information about the timeframe for the initiation of those activities. The representative from OICA highlighted that a more detailed planning will be developed in due course and assistance from the secretariat would be sought to share the information with GRPE.
70. The Chair introduced GRPE-80-04-Rev.1 as the GRPE list of emission topics that GRPE would regularly discuss and may decide to work on if and when resources are available. He reminded this list did not constitute a declaration of intent that the topics included would be tackled by GRPE in the future. He also recalled that keeping such a list open and regularly updated would allow GRPE to be more reactive when new issues arose and ready to cover new topics when pertinent. He reiterated GRPE-80-04-Rev.1 was to remain an GRPE internal document for its own use and information.
71. The representative from OICA requested more information about brake wear emissions topics and how to tackle this topic and by which GR. He also asked whether a more extensive definition of geofencing was available. The representative from EC thought brake emissions would preferably be considered at a vehicle scale and would preferably be considered in GRPE. The Chair emphasized that there would be close cooperation with other GRs working on brake issues, and confirmed GRPE was the appropriate GR to develop the new provisions on brake wear emissions.
72. The representative from India requested more clarity about the destination of the potential items, whether UN Regulation or UN GTR. The Chair clarified that the emission topic list was a starting point and its aim was not to contain any prescription on to which agreement each topic would go.
73. The representative from Spain asked whether the inclusion of life cycle analysis was referring to all vehicle and energy types. The Chair replied that life cycle analysis was still a nascent activity where legislative pathway still had to be defined. New energy types for vehicles needed to have a broad coverage, and he felt GRPE was not in a position to work on this yet.
74. The Chair introduced GRPE-80-05-Rev.2 as the draft list of priority for GRPE that WP.29/AC.2 requested each GR to send so that the coordination of tasks could be better overseen by WP.29/AC.2.
75. The representative from the Netherlands thanked the Chair for putting together this list and insisted that cars were more and more becoming computers on wheels and that vehicles would therefore evolve over their lifetime through software updates for example and that the issue of lifetime compliance was of high importance in his view.
76. The representative from the United Kingdom of Great Britain and Northern Ireland insisted tyre wear particulates and heavy duty hybrids were two areas of particular concern for his country and was happy to see those topics reflected in the list.
77. GRPE adopted GRPE-80-05-Rev.2 as amended during the session (GRPE-80-05-Rev.3) and requested the Chair and secretariat to send it to WP.29 secretariat for further consideration by WP.29/AC.2.