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.

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.

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.]