Formal proposal for the regulation on REC devices for heavy duty vehicles, agricultural and forestry tractors and non-road mobile machinery equipped with compression ignition engines submitted to GRPE for approval to send to the Forum|WP.29.

REC informal group proposal for an amendment to document GRPE/2013/6 (the proposal for a new UN Regulation on retrofit emissions controls devices) to address permissible NO₂ levels.

Flow charts explaining the annexes of the draft REC Regulation version 00 (for incorporation into the draft document GRPE/2013/6)

Proposal for an amendment to the new UN Regulation on uniform provisions concerning the approval of Retrofit Emission Control devices for heavy duty vehicles