Memorandum from the US Environmental Protection Agency on the proposed addition of test procedures for heavy-duty hybrid vehicles to the global technical regulation on heavy-duty vehicle emissions and fuel consumption (WHDC) identifying “a number of open issues that are causing concern for the United States and require resolution prior to considering the Annex for adoption”.

Presentation on the status of the work, including a new HILS-GTR v0.5 simulation model release, Validation Test Program 2 (VTP2) model verification and drive cycle development, the definition of rated power of hybrid system, and review of major open issues.

Presentation providing a summary of 15th HDH meeting, status of HDH validation test programs, topics for 16th HDH meeting, status of the amendment drafting group, revised project roadmap & planning, and plans for next meetings.

Review of the goals and status of the heavy-duty hybrid HILS test model validation program.

EC presentation reviewing the interest in and concern over the prospects for integrating the HDH procedures into the Euro VI legislation.