Presentation made to the GRPE June session (as document GRPE-73-29). Presentation on the background and accomplishments of the GFV informal group from January 2008 to June 2016 as the group concludes its final effort on heavy-duty dual fuel engine retrofit systems.

Version 3 as of 8 June 2016.

Proposal for amendments to document GRPE/2016/12 for consideration by the GFV informal group and submission to GRPE for consideration of the proposal for a new regulation during its June 2016 session.