UN R63: Proposal for Supplement 4 to the 02 series of amendments
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Proposal to exclude pure electric vehicles, including vehicles with auxiliary electric propulsion, from the scope of the regulation, to include sound-level measurement conditions for powered cycles equipped with compressed air engine and to introduce sound-level limits for powered cycles.

Reference Number: WP.29/2018/62
Date: 5 April 2018
Proposal Status: Adopted
Related Documents:
GRB-64-11 | Proposal for amendments to Regulation No. 63
GRB-66-09 | Proposals for amendments to Regulation No. 63
GRB/2018/4 | Proposal for a Supplement to Regulation No. 63