Working draft of the text to introduce type approval provisions of fuel selection system.

Draft text to introduce type approval provisions for “valve control at stop-start”.

Document prepared for GRPE consideration following the approval by GRSG of amendments proposed by the LNG Task Force to introduce provisions for LNG systems into UN Regulation 110 (document GRSG/2013/7). This document concerns LNG holding time and the potential for methane release (i.e., venting from boil-off).

Overview of liquefied petroleum gas direct injection systems in dual fuel vehicles and implications for the amendment of UN R67.

Presentation on the aims of the proposal, to be considered at the June 2013 GRPE session, for a new UN Regulation concerning LPG (liquefied petroleum gases) or NG (compressed natural gas/bio‐methane/liquefied natural gas) dual fuel retrofit systems to be installed in heavy duty diesel applications.

Draft new Regulation on uniform provisions concerning the approval of specific LPG (liquefied petroleum gases) or NG (compressed natural gas/bio-methane/liquefied natural gas) dual fuel retrofit systems to be installed in heavy duty applications equipped with Compression Ignition engines.