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UN Regulations
owing pressure tests to be conducted on individual chambers and connecting fuel piping during manufacturing inspection. ECE-TRANS-WP.29-2025-53e ECE-TRANS-WP.29-2025-53-Corr.1E 28 AdoptedproposalregardingUN/ECEregulation 142 01 S2 WP.29/2025/77 + amended by 196th WP.29 reports 2025/6/25 2026/1/11 Installation of Tyres -Addition of requirements about installation location fitting free-rolling tyres. -Clarification that C2/C3 tyres are applicable...
Regulations Updated at: 2025/11/25
Trends on Harmonization of Vehicle Standards at UN
eedometer and Odometer UN 40 Exhaust Emission (Motor Cycle) UN 41 Noise (Motor Cycle) UN 42 Front and Rear Protective Devices UN 43 Safety Glazing Materials UN 44 Child Restraint Systems UN 45 Headlamp Cleaners UN 46 Devices for Indirect Vision UN 47 Exhaust Emission (Moped) UN 48 Installation of Lights UN 49 Emissions of Compression Ignition and Positive Ignition Engines UN 50 Lights (Moped, Motor Cycle) UN 51 Noise UN ...
Regulations Updated at: 2025/04/25
Emission Standards - USA (Federal) Passenger Cars & Light Duty Trucks
aph and a tabulated representation of the SRC with road speeds and times. Standard bench-aging durability procedure : this procedure is not applicable to diesel fuelled vehicles or vehicles which do not use a catalyst as the principle after-treatment emission control device. This procedure requires installation of the catalyst-plus-oxygen-sensor system on a catalyst aging bench. Aging on the bench is conducted by following the Standard Bench Cycl...
Regulations Updated at: 2024/12/13
How to access to Working Documents of UN regulations
ents Reference to Working Documents GR Working Documents of UN regulations are draft documents of UN Regulations submitted by countries or organizations prior to discussions at WP29. Adobe Reader is required for reading PDF documents. Click here to download Adobe Reader offered free of charge for installation in your computer. On the top page of UN/ECE (https://unece.org/) select "Transport." On the "Transport" page, select "Vehicle Regul...
Regulations Updated at: 2022/04/14
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