33. The expert from the EC gave a presentation (GRPE-63-04) focusing on the main amendments proposed for UN Regulation No. 49 (ECE/TRANS/WP.29/GRPE/2012/4). The proposal aims at aligning the requirements of the UN Regulation with those of EU Regulations EC No. 595/2009 and EU No. 582/2011 (Euro VI pollutant emission levels). He added that the proposal was submitted as the 06 consolidated series of amendments to UN Regulation No. 49, also incorporating the amendments proposed in the 05 series.

34. Even if Japan has not adopted UN Regulation No. 49, the expert from Japan noted that Worldwide harmonized Heavy-Duty Certification procedure (WHDC) was developed for compression ignition engines, expressing concerns on its use for positive ignition engines.

35. The expert from the UK introduced GRPE-63-22, containing a proposal to amend ECE/TRANS/WP.29/GRPE/2012/4 in order to include poly-alpha-olefin as a test aerosol material, and including the correction of an error in one of the figures.

36. The expert from OICA preferred to avoid the references to the CS 68649-12-7 and CS 68037-01-4 standards included in GRPE-63-22.

37. GRPE adopted ECE/TRANS/WP.29/GRPE/2012/4, as amended by GRPE-63-22 after deleting the reference to CS standards (removing the text “CS 68649-12-7 and CS 68037-01-4” from GRPE-63-22) and requested the secretariat to submit it to WP.29 and AC.1 for consideration at their June 2012 sessions, as 06 series of amendments to UN Regulation No. 49.