Chairman and secretary summarized the meeting as follows:

• The results of validation test program 1 with the new model structure were presented by the institutes; the new model structure includes a comprehensive component model library, a new signal naming convention and restructured vehicle models.
• The next model release will be on 31/10/2013.
• The final decision on chassis dyno testing will be taken at the 16th HDH meeting.
• Validation test program 2 at JRC has started in May; so far, the validation criteria of the Japanese regulation could not be met; further work is needed.
• Institutes and JASIC will jointly develop a proposal for fixed slopes.
• A specific procedure for plug-in hybrids will not be included.
• The OICA proposal on vehicle parameters was agreed.
• Weighting factors will not be included.
• Discussion on master ECU will continue.
• Discussion on work (engine or system) for the emissions calculation will continue at the 16th meeting.
• The technical secretary of HDH drafting group has been nominated.
• The drafting group will work hard to have the informal document ready for the 68th
  GRPE.