Proposal to increase the potential speed reduction during the collision warning phase and clarify the interpretation of “engine start/run cycle”.
Proposal to align provisions with corresponding provisions of UN R152 and to clarify the interpretation of the provisions on system robustness when applied to heavy duty vehicles.
AC.3
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GRB
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GRE
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WP.29
Review of the heavy-duty hybrids informal group activities towards establishing emissions test procedures under Global Technical Regulation No. 4: Worldwide Heavy-Duty Vehicle Emissions Certification Procedure (WHDC).