UN R49: Proposal for a new series of amendments
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Proposal to introduce new requirements relating to Auxiliary Emission Strategies, cold engine starts and the use of Portable Emissions Measurement Systems (PEMS) to measure particle numbers.

Reference Number: GRPE/2021/6
Origin: EC
Date: 3 November 2020
Proposal Status: Formal GR review
Related Documents:
GRPE-82-22 | UN R49: Proposal for amendment to the new series of amendments