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Entry into force as of: 27 Sep 2025

Original text was established by the adoption of the following proposal:

WP.29/2025/25 Proposal for a new UN Regulation on the determination of system power of hybrid electric vehicles and of pure electric vehicles

This change has also been reproduced in UN R177.

Proposal for a new UN Regulation on the determination of system power of hybrid electric vehicles and of pure electric vehicles
Reference Number: WP.29/2025/25
Proposal for a new UN Regulation transposing GTR 21 for use under the 1958 Agreement.
Meeting Sessions: 195th WP.29 session (3-7 Mar 2025)
Document date: 23 Dec 24
Document status: Adopted by WP.29
Relevant to: UN Regulation No. 177 \| Electrified vehicle power determination
Adoption Vote
This proposal (WP.29/2025/25) was adopted by the World Forum. Thirty-six Contracting Parties out of the 0 applying UN R177 were present for the vote by AC.1. Thirty-six voted in favor with zero against and zero abstaining.
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