Editorial group draft for the 12th REC session of the regulation on uniform provisions concerning the approval of Retrofit Emission Control Devices (REC) for heavy duty vehicles, agricultural and forestry tractors and non-road mobile machinery (NRMM) equipped with Compression Ignition engines.

Rev.00 of the editorial group working draft without markups.

Clean copy for the 12th REC session of the draft Amendment 1 (with transitional provisions) to the REC regulation under development.

TNO presentation on the results of its simulation of a retrofit selective catalytic reduction system.

Draft report from the August 2012 session of the editorial working group drafting the text of the proposed retrofit emissions control device regulation. [Published with a duplicate reference number REC-12-08. Changed by GAR to REC-12-10 for convenience.]

Planning and task schedule for development of the proposed regulation on retrofit emissions control devices prior to the 12th REC informal group session.

Comments from Hungary on the working draft of the proposed regulation on retrofit emissions control devices.

Report of the proceedings from the 24-25 April 2012 session of the group.

Visits to Environment Canada (EC) and the National Research Council of Canada (NRC)
Facilities in conjunction with the Heavy Duty Hybrids informal group session 11 in Ottawa, Canada.

Status of the work towards developing a methodology for certifying heavy-duty hybrids based on “hardware in the loop simulation” (HILS).

JASIC presentation on its evaluation of the Worldwide Heavy Duty Hybrid Cycle as proposed by Prof. Hausberger.

OICA contributions to the development of the heavy-duty hybrids amendment to GTR No. 4 (Worldwide Heavy-Duty Vehicle Emissions Certification Procedure).

Presentation on Environment Canada and US EPA joint program.

Status of the work towards developing a methodology for certifying heavy-duty hybrids based on “hardware in the loop simulation” (HILS).

Documents GRPE-63-05/Rev.1 and GRPE/2012/6/Rev.1 propose to redefine the class of bi-fuel vehicles to permit the simultaneous use of gas and petrol in gas mode in UN Regulation No. 83. CLEPA proposes an alternative method to the weighing procedure of the fuel consumption test procedure.

Presentation of the Task Force on Heavy-duty Dual Fuel vehicles to the Informal Group on Gaseous Fueled Vehicles

Corrections to align the unit of each factor in the equations 8-2, 8-4, 8-6, and 8-10 in paragraph 8 and to Annex 13, paragraph 1, Figure A13-1 where, in the upper figure for “gear use during acceleration phases”, the acceleration gear 1 incorrectly starts from zero.

Final proposal prepared by the informal working group on the scope, objectives, and timetable for consideration of the environmental impact of electric vehicles and possible regulatory needs. This group expects to supplement the existing efforts of the WLTP, HDH, EFV, VPSD, and EVS informal groups.