1. WLTP GTR 15 WLTP-09-18e Report by Drafting Coordinator, Serge Dubuc
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2. Recent History
WLTP-09-18e
The GTR (ECE/TRANS/WP.29/2014/27) was uploaded to the UN ECE server on January 7, 2015.
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3. Comments on tracking changes
WLTP-09-18e
Minor editorial changes can be found by searching for “GTR CORRECTION” or by using the “next element” option tracking feature in Word
Items which have not yet received feedback from experts can be found by searching for “OPEN POINTS”
Items having received expert feedback can be found searching for “EXPERT APPROVAL”
Items having been approved by the Informal Working Group can be found searching for “CONFIRMATION”
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4. Developments since WLTP IWG Meeting #8 (Pune) [page 1 of 2]
WLTP-09-18e
All modifications to the GTR agreed upon at the above-mentioned meeting may be found by searching the version of the GTR for the term "Pune".
As a result of that meeting, the following items (amongst others) were incorporated into the GTR:
Adoption of the definition of mass in running order
OIL #4 to #9 regarding downscaling, gear shifting, modification of nmin_drive and nmax, determination of engine speed, deceleration phases, and replacing the shifting time from 3 seconds to 2 seconds
OIL #12, 21 regarding the definition of reference speed points
OIL #19 regarding an alternative warm-up procedure
OIL #23 regarding 4WD dynamometer specifications
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5. Developments since WLTP IWG Meeting #8 (Pune) [page 2 of 2]
WLTP-09-18e
As a result of that meeting, the following items were incorporated into the GTR (continuation of the previous page):
Clarification of the soak/type 1 test temperatures
OIL #47 regarding the fuel consumption interpolation method
OIL #49 regarding the calculation of CO2 for an individual vehicle
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6. Future work Processing those items adopted during WLTP IWG meeting 9.
WLTP-09-18e
Processing those items adopted during WLTP IWG meeting 9.
Incorporating decisions made by the VPSD group once they have been approved by the appropriate experts.
All GTR corrections, open points, and expert proposals have been collected in a PowerPoint file consisting of more than 109 slides. Meetings will be organized to process the 109+ slides where "process" means checking the technical and legislative robustness of the content of the slides.
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7. Future GTR Milestones WLTP-09-18e 01.01.2016 01.01.2017 01.01.2015
GRPE 71st Session, June 2015
GTR 15 Informal Document still in progress
GRPE 72nd Session, Jan. 2016
GTR 15 Working Document to be approved
Adoption of GTR 15 by WP.29 (WP.29 meetings always take place in March, June and November)
GTR must reach UN ECE 12 weeks before a GRPE meeting, in this case, at the start of October in order to be approved at the January 2016 GRPE
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