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Document Title | Summary of the 13th HDH informal group session | ||||||||
Reference Number | EVE-05-08 | ||||||||
Date |
14 Apr 2013
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Summary | Review of the Heavy-Duty Hybrids informal group efforts to develop emissions and energy consumption test procedures. | ||||||||
Source(s) | US EPA | ||||||||
Rulemaking Area(s) | Electric Vehicles & the Environment | ||||||||
Meeting(s) | |||||||||
Downloads | |||||||||
UNECE server | .pdf format | ||||||||
Excerpts from session reports related to this document | |||||||||
EVE | Session 5 | 11-12 Apr 2013 |
Mr. Michael Olechiw, on behalf of the HDH IWG Chair, presented document EVE-05-08e by conference call. The participants were informed of the outcome of the last meeting from March 19-22 in Sweden, which also included the first drafting session for the gtr. The next meetings of HDH IWG are planned for June 4th in Geneva during GRPE 66th session (14th meeting) and October 22nd in San Diego (15th meeting). The 2nd drafting session is planned for June 3rd in Geneva during GRPE 66th session or May 29th in Brussels. The development of a draft gtr is targeted from December 2013 and a final gtr for mid-March 2014. Mr. Michael Olechiw confirmed there was no immediate need for support from EVE IWG. Mr. Kazuki Kobayashi, the Chair of WLTP-E-Lab Sub Group, presented document EVE-05-13e summarizing the activities of the WLTP and more specifically the test procedure. Mr. Kazuki Kobayashi also reminded participants of the phased approach and timelines for the development of the WLTP gtr. It is expected that a gtr under phase I will be submitted to GRPE in August. Approval of the gtr by GRPE is expected at a special session in November 2013 during the 161st session of AC.3. The gtr would subsequently be submitted to AC.3 in January for approval at 162th session in March 2014. Mr. Kazuki Kobayashi also confirmed the start of work for phase 2 in parallel to the completion of phase 1. The presentation by Mr. Kazuki Kobayashi was followed by substantial discussions on the effect or considerations for a number of attributes that may affect EVs performance differently than ICEs. Mr. Michael Olechiw and Mr. Ed Pike requested clarifications on cold temperature testing for EVs. Mr. William Coleman confirmed that EVs or ICEs were subject to same test conditions and also clarified that the WLTP test at normal ambient temperatures would be run without operating a heater. Mr. William Coleman also expressed disappointment regarding the consideration of “regional” utility factors and that these factors were more locally than regionally dependant (e.g. city vs. country). Mr. Kazuki Kobayashi expects that all of these issues will be further analysed during phase 2. The Co-Chair of the EVS IWG, Ms. Chunmei Chen, summarized the activities and next steps. The activities of the group were started in April 2012, with subsequent meetings in U.S. on April 23 – 25, 2012 and Bonn on Oct. 23 – 25, 2012. The 3rd meeting of EVS IWG is scheduled for April 16-18, 2013 in Tokyo Japan. The group is working towards the development of a gtr that would ensure the same safety to EVs and ICEs. The EVS IWG will be considering two options moving forward; 1) a 2-phase approach with gtr using only available information to meet current timelines and 2) develop a complete gtr with a longer timeline. The EVS IWG will be assessing the two options at its next meeting. Mr. William Coleman, on behalf of the Chair of the VPSD, presented an update on the activities of the group. Mr. William Coleman reported that the group continues to discuss and assess existing definitions. The intent is to continue working in a smaller group given difficulty of task, but that input from other IWGs will soon be required. It is expected that a draft document will be circulated in the coming weeks for discussion at the GRPE 66th session in Geneva. ACTION 2: The Secretary will coordinate input to the VPSD document from EVE IWG membership. Mr. Guido Gielen, on behalf of the Chair EPPR IWG, presented document EVE-05-10e to summarize the activities of the group. Mr. Guido Gielen presented an overview of the scope under consideration for the development of a gtr, including EU legislation under development and the classes of vehicles that are covered. Contracting parties were invited to collaborate in harmonising environmental and propulsion performance requirements for L-category vehicles. EC will be hosting 2nd L-EPPR meeting in Brussels, 25 – 26 April 2013. Mr. William Coleman and Mr. Johan Renders strongly recommended a close collaboration of EPPR, WLTP and EVE, which was agreed by all. |
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