Report of the expert group (WLTP-DHC informal group) on their development of the driving test cycle for the Global Technical Regulation on light-duty vehicle emissions and fuel consumption (World Harmonized Light-duty vehicle Test Procedures).

Draft technical report prepared by the expert subgroup on the development of the WLTP driving test procedure intended to accompany the draft global technical regulation on light-duty vehicle emissions and fuel consumption. The document explains the development of a test procedure intended to represent typical driving characteristics around the world.

Report covering the reactivation of the WLTP (light vehicle emissions GTR) informal working group and its work on “Phase 1b” aimed at refining the original GTR currently pending adoption before the World Forum.

Text of the proposed new GTR on light vehicle emissions and fuel consumption as approved at the November special session of the Working Party on Pollution and Energy and submitted to the Forum for consideration and adoption at its March 2014 session.

Report to accompany the proposal for the new GTR on light vehicle emissions and fuel consumption detailing its development.

Proposal for a further “phase 1b” in the development of the GTR on light vehicle emissions. In order to meet Contracting Party objectives, the draft GTR has been submitted for adoption by the Forum in March 2014. Although the current draft offers a complete test cycle, the WLTP experts want to improve the regulation by further addressing a number of technical elements that were set aside due to time and resource constraints.

Request to continue development, through a second phase following adoption of the current draft GTR, of the light vehicle emissions and fuel consumption test cycle in order to improve certain technical aspects in the current cycle.

Request to continue development, through a second phase following adoption of the current draft GTR, of the light vehicle emissions and fuel consumption test cycle in order to improve certain technical aspects in the current cycle.