GRPE/2019/12
GTR 2: Proposal for Amendment 4
GRPE-79-21/Rev.1
GTR 2: Consolidated text incorporating Amendment 4
GRPE-79-22
GTR 2: Technical report on the development of Amendment 4
GRPE-79-23
GTR 18: Consolidated draft amendment to introduce OBD2
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GTR 18: Consolidated draft amendment to introduce OBD2
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Reference Number: GRPE-79-23
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Consolidated document to inform and update the GRPE on phase 1 of the OBD2 program.
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Document date: 23 May 19
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Relevant to
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View full document file for more information
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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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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Document status: Superseded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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GRPE/2019/12
GTR 2: Proposal for Amendment 4
GRPE-79-22
GTR 2: Technical report on the development of Amendment 4
GRPE/2019/12
GTR 2: Proposal for Amendment 4