UN R49: Proposal for Supplement 2 to the 07 series of amendments
Proposal to permit the use of hydrogen (H2) as fuel for emissions type approval of heavy-duty vehicles, to insert provisions in Supplement 7 to the 06 series that were unintentionally omitted, to add a requirement for the accuracy of the humidity sensor, correct a typographical error (NOx mode), and to clarify the procedures.
This proposal (WP.29/2023/60), as amended by para. 99 of the session report, was adopted by the World Forum. Thirty-one Contracting Parties out of the 49 applying UN R49 were present for the vote by AC.1. Thirty-one voted in favor with zero against and zero abstaining.