|  | Working draft of the proposed heavy-duty dual fuel retrofit regulation |  | 2016-01-08 | 
|  | Review of changes in the working draft heavy-duty dual fuel retrofit regulation |  | 2016-01-08 | 
|  | Status the the heavy-duty dual fuel regulation |  | 2016-01-13 | 
|  | Dual-fuel retrofit emissions: Is a simple measurement procedure possible? |  | 2016-01-13 | 
|  | Final minutes of the 42nd GFV informal group session |  | 2016-01-25 | 
|  | Draft minutes of the 43rd GFV informal group session |  | 2016-02-09 | 
|  | Draft agenda for the 44th GFV informal group session |  | 2016-02-11 | 
|  | Draft agenda for the 45th GFV informal group session |  | 2016-05-31 | 
|  | Amendments to the proposal for a new regulation on the approval of heavy-duty dual fuel engine retrofit systems |  | 2016-05-31 | 
|  | Amendments to the proposal for a new regulation on the approval of heavy-duty dual fuel engine retrofit systems (track) |  | 2016-05-31 | 
|  | Draft minutes of the 44th GFV informal group session |  | 2016-06-06 | 
|  | Status of the new regulation on heavy-duty dual-fuel engine retrofit systems |  | 2016-06-13 | 
|  | Accomplishments of the GFV informal group |  | 2016-07-04 | 
|  | Minutes of the 45th GFV informal group session |  | 2016-07-04 |