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UN Regulations

rs. Document reference Status of document* Working Documents # (ECE/TRANS/WP.29/) Issuing date Entry into force Title Description ** (To see the original document, click the text.) Name # 1 AgreementregardingUN/ECEregulation 22 6 S３ WP.29/2024/42 2025/1/28 2025/1/10 Protective Helmets, Visors and Accessories (Motorcycles and Mopeds) - Correction regarding the description of the approval number - Addition of the definition of "rigid s...

Regulations Updated at: 2025/04/28

Emission Standards - EU Passenger Cars and Light Duty Trucks

emission limits but have other differentiating rules. The definitions of Euro 5a, 5b and 5b+ for SI and CI engines are shown below. Table 12: Euro 5a/b/b+Definitions for SI Engines Euro 5a Euro 5b Euro 5b+ PM Limit (mg/km) 5.0 5.0 Tyres Euro 4 rules Highest or 2nd highest rolling resistance ISO 28580 Deterioration Factors CO: 1.5; THC/NMHC: 1.3; NOx: 1.6; PM/PN: 1.0 OBD: Monitoring of Catalytic Converter Against NMHC Against NMHC and ...

Regulations Updated at: 2024/12/13

UN regulations - Noise

egulation 51 03 S4 2018/63 2018/6/20 2018/2/10 Noise -As alternative measures indoor testing may be applied. -Clarification of the test method in case the acceleration is greater than 2.0 m/s². Aug. 2018 Adopted proposal regarding UN/ECE regulation 51 03 S2 2017/71 2018/4/26 Noise -The latest ISO test method shall be added to ASEP test method, -The definition of "gear" shall be made clear. -Error correction. 03 S3 2018/7 2018/3/14 Nois...

Regulations Updated at: 2020/02/05