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Informal Document GRPE-74-10

Document Title Highlights related to ECE/TRANS/WP.29/GRPE/2017/3 on WLTP EVAP
Reference Number GRPE-74-10
Origin ETRMA
Document Date 11 January 2017
Document Posted 12 January 2017
Meeting Session(s)

18. The expert from ETRMA presented GRPE-74-10 to highlight that emissions from tyres should be excluded from the test procedure in the draft new GTR on WLTP EVAP. He explained that tyres should be removed at the stage of vehicle preparation, since they are not part of the fuel storing system and they may add some uncertainty to the test.


Pursuant to the development of a GTR on evaporative emissions under the WLTP informal group, ETRMA presents its views on the draft procedure in order to clarify the role of tyres.

Related Documents
GRPE/2017/3 | Proposal for a new GTR on evaporative emissions test procedures under the Worldwide harmonized Light vehicles Test Procedure (WLTP EVAP)