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20 Mar 2025
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UN R154: Request for review and/or approval (UK, OICA, Japan, and EC)
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GRPE-92-06
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2025-03-20 |
Review on the possible direction
(1) new series of amendment
(2)single series structure UK OICA Japan EC |
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20 Mar 2025
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UN R154: Proposal for series of amendments (Sweden, UK, Switzerland, OICA, Korea, Japan, EC, and Germany)
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GRPE-92-09
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2025-03-20 |
Sweden UK Switzerland OICA Korea Japan EC Germany |
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17 Oct 2025
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UN R154: Proposal for new series of amendment (excluding Level 1C) (EC, Japan, OICA, and UK)
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GRPE-93-29
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2025-10-17 |
EC Japan OICA UK |
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16 Oct 2025
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UN R154: Explanatory document of the proposals for amendments (Japan, OICA, UK, and EC)
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GRPE-93-31/Rev.2
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2025-10-16 |
Japan OICA UK EC |
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6 Nov 2025
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IWVTA: Small-Volume Manufacturers (SVM) (Japan)
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IWVTA-49-06
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2025-11-06 |
Japan |
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17 Jan 2025
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UN R154: Observations on implementation of Euro 7 provisions (Japan)
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WLTP-AH-03-02
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2025-01-17 |
Japan |
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16 Mar 2025
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UN R154: Proposal for new series of amendments (EC, Japan, Korea, OICA, Sweden, Switzerland, and UK)
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WLTP-AH-04-05
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2025-03-16 |
Draft proposal to align the Regulation with the latest regional requirements (e.g., Euro 7) as submitted to GRPE (Informal document GRPE-92-09e). EC Japan Korea OICA Sweden Switzerland UK |
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13 Sep 2025
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UN R154: Comments on draft 04 series of amendments (France and Japan)
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WLTP-AH-LDN-04/Rev.1
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2025-09-13 |
France Japan |
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18 Sep 2025
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UN R154: Comments and amendments to the proposal for a new series (GRPE/2025/15) (Japan)
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WLTP-AH-LDN-16
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2025-09-18 |
Japan |
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27 Nov 2025
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UN R154: Comments on application of levels in draft series of amendments (Japan)
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WLTP-AH-08-01/Rev.1
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2025-11-27 |
Japan |
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13 Oct 2025
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UN R154: Updates concerning OVC-HFCV (Japan)
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WLTP-AH-GVA-02
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2025-10-13 |
UN R154 specifies unique identifiers for vehicle families in the format FT-nnnnnnnnnnnnnnn-WMI, where FT designates family type: IP for Interpolation family, RL for Road load family, RM for Road load matrix family, PR for Periodically regenerating systems family, AT for ATCT family, EV for Evaporative emissions family, DF for Durability family, OB for OBD family, ER for Exhaust after-treatment system using reagent family, GV for Gas Fuelled Vehicle family, KC for KCO₂ correction factor family, RT for Low temperature range family, MF for Monitor family, BD for Battery Durability family, VD for virtual distance family, and LP for Lower limit pressure family. The document establishes reporting requirements for fuel consumption, electric energy consumption, and fuel efficiency for various vehicle types including OVC-FCHVs and NOVC-FCHVs, with driving range of hydrogen calculated according to specified procedures. Japan |