131. The Chair of GRPE presented an executive summary of the Technical Report prepared by the informal working group on HFCV Subgroup Environment (HFCV-SGE) that included the outcome of discussions and recommendations available in the different regions in support of the harmonization process (ECE/TRANS/WP.29/2011/147). The full technical report was made available as ECE/TRANS/WP.29/GRPE/2011/13. He outlined the group’s recommendation to waive the development of a stand-alone UN GTR for environmental related provisions for HFCV and its preference to amend case by case existing UN Regulations or GTRs to accommodate such vehicles or to consider them during the developing process of new Regulations. He concluded that the work of the SGE subgroup had been finalized. AC.3 endorsed the conclusions as reflected in ECE/TRANS/WP.29/2011/147. Concerning the safety related issues, he reported on the good progress made by the informal group HFCV-SGS. The draft UN GTR with safety related requirements was transmitted to GRSP for consideration at the December 2011 session. Depending on the resolution of some outstanding issues, the three co-sponsors anticipated that the draft GTR would be submitted to WP.29/AC.3 for adoption in 2012.