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39. The World Forum recalled the report of the Chair of GRPE on its seventy-ninth session (ECE/TRANS/WP.29/GRPE/79) and approved the report.
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GRPE/79 | Report of the GRPE on its 79th (May 2019) session
GRPE/79/Add.1 | GTR 2: Amendment 4 as approved by GRPE
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GTR 2: Amendment 4 as approved by GRPE
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Reference Number: GRPE/79/Add.1
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Proposal to further harmonize test procedures for two-wheeled vehicles equipped with conventional combustion engine technology, including restructuring to dedicate separate sections to test types I (tailpipe emission after cold start), II (idle / free acceleration emissions) and VII (energy efficiency). The amendment aligns the GTR with technological progress, including changes related to - reference fuels
- temperature conversion
- forced induction systems (turbo/super-chargers)
- treatment of open/closed systems
- test room humidity
- CO2 tolerance, and
- reference mass of the vehicle.
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Meeting Sessions: 79th GRPE session (21-24
May 2019)
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Document date: 15 Jul 19
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Document status: Superseded
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Relevant to
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View full document file for more information
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