UN R83: Proposal for Supplement 12 to the 06 series of amendments
Proposal to
clarify the fuel tank capacity restriction for mono-fuel gas vehicles (insertion of word “nominal” in definition of “mono-fuel gas vehicle”;
modify the Constant Volume Sampling system temperature sensor time response requirement;
allow the use of WLTP-based Ki and Deterioration Factors (DF) as well as On-Board Diagnostics (OBD) demos under UN R83 to permit use of WLTP methods and test results under UN R83;
align the definitions for bi-fuel vehicles align with the new definitions in UN GTR 15,
amend paragraph 5.3.1.2.4. to recognize that particulate pollutant emissions measurements are no longer limited to compression ignition vehicles;
introduce provisions for reagent tank specifications and limits for triggering warning and driver inducement systems.
This proposal (WP.29/2018/147), as amended by para. 118 of the session report, was adopted by the World Forum. Thirty-six Contracting Parties out of the 45 applying UN R83 were present for the vote by AC.1. Thirty-six voted in favor with zero against and zero abstaining.