Adoption of GRPE Heavy-Duty Hybrid new annex to Global Technical Regulation n°4
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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”.

Reference Number: HDH-16-03
Origin: US EPA
Date: 20 December 2013
Meeting(s):
HDH-16
Related Documents:
HDH-18-04 | US Adoption of GRPE Heavy-Duty Hybrid new annex to Global Technical Regulation n°4