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UN Regulations
UN Regulations Home Regulations UN Regulations UN Regulations Trends on Harmonization of Vehicle Standards at UN How to confirm the adoption status of UN regulations Conference Schedule How to access to Working Documents of UN regulations Amended Regulations in the past (Provided by: JASIC) *This information is updated monthly based on JASIC's "Automotive Regulations Information Web Service."*From March 2025, the update period cha...
Regulations Updated at: 2025/06/24
Fuel Economy/CO2 - USA Federal
) started in Phase 1 carries on in Phase 2, with a few revisions. A limited averaging programme is put in place for trailers, this will not come into effect until 2027. For further details see “Programme Flexibilities” in the Phase 1 regulation section and the full regulation text [14] Advanced technology credits are adopted for three types of advanced technology, as reported in Table B10. Table B10: Advanced technology multipliers for the ph...
Regulations Updated at: 2024/12/13