This proposal aligns the transitional provisions of Revision 6 of UN Regulation 49 and thus in document GRPE/2014/3 with the General Guidelines for UN Regulations (WP.29/1044/Rev.1). This change requires changes to Table 1 of Annex 3 to cover diesel and dual-fuel engines bearing the letter B.
The proposal also would allow for methods other than monitoring the reagent tank level or reagent flow in order to monitor reagent consumption in Annex 11.
21. The expert from OICA presented (GRPE-70-24) the proposal contained in ECE/TRANS/WP.29/GRPE/2015/3 adapting the text of the Regulation to the current state of technology and transposing the latest decisions of the EU on OBD Threshold Limits (OBD OTLs). He also introduced minor corrections. GRPE agreed with the proposal as corrected and introduced amendments (GRPE-70-06-Rev.1). The consolidated proposal was provided by the expert of OICA (GRPE-70-07-Rev.1) GRPE adopted ECE/TRANS/WP.29/GRPE/2015/3 as amended by Annex V to this report and requested the secretariat to submit it to WP.29 and AC.1, for consideration and vote at their June 2015 sessions as draft Supplement 3 to 06 series of amendments to Regulation No. 49.