HDH Drafting Group (HDH-DG) reports to
Documents
21 Mar 2014 Test procedures for engines installed in hybrid vehicles using the HILS and Powertrains methods GRPE/2014/xx 2014-03-21 Working draft of Annex 9 (Test procedure using the HILS method) and Annex 10 (test procedure using the powertrains method) of the amendment to GTR No. 4 (heavy-duty vehicle emissions and fuel consumption) to introduce provisions for heavy-duty hybrid vehicles, prepared by the drafting subgroup of the HDH informal working group.
21 Mar 2014 Working draft heavy-duty hybrids amendment to GTR No. 4- Version 8 GRPE/2014/xx-v.8 2014-03-21 HDH drafting group working draft of the consolidated revision of GTR No. 4 to include provisions for heavy-duty hybrid vehicles.
6 Feb 2014 Version 5 of the draft annex 8 (HILS procedure) to GTR No. 4 2014-02-06 Working draft of the annex to specify the hybrid heavy-duty vehicle engine emissions and fuel efficiency measurement procedure using the hardware-in-the-loop method.
6 Feb 2014 Invitation to the 10th HDH informal working group session HDH-DG-10-01 2014-02-06
21 Mar 2014 Invitation to the 12th HDH Drafting Group session HDH-DG-12-01 2014-03-21