This report is the final report of the work done by the Universities of Technology in Chalmers, Graz and Vienna and research institute TNO performed within the research program on an emissions and CO2 test procedure for Heavy Duty Hybrids (HDH). This report specifically refers to Validation Test Program 1 (VTP1) under the contract for “Developing the Methodology for Certifying Heavy-Duty Hybrids based on HILS”.