UN Regulation No. 24
C.I. Engine Emissions and Net Power

Uniform Provisions Concerning:
I. The Approval of Compression Ignition (C.I.) Engines with regard to the Emission of Visible Pollutants;
II. The Approval of Motor Vehicles with regard to the Installation of C.I. Engines of an Approved Type;
III. The Approval of Motor Vehicles Equipped with C.I. Engines with regard to the Emission of Visible Pollutantns by the Engine;
IV. The Measurement of Power of C.I. Engine

Series of Amendments and Supplements
Revisions and Amendments
Forty-eight Contracting Parties
Related groups: GFV and GRPE
Latest Documents
12 Jan 2021
UN R24: Proposal to amend the amendment to 03 series of amendments | GRPE-82-25
2021-01-12 2021-01-13
4 Nov 2020
UN R24: Proposal for amendments to the 03 series of amendments | GRPE/2021/8
2020-11-04 2020-11-04
11 Jun 2020
UN R24: Proposal to exclude UN R24 from the scope of UN R49 -06 engine emissions | GRPE-81-28
2020-06-11 2020-06-11
11 Jun 2020
UN R24: Proposal for amendments to Supplement 5 to the 03 series of amendments | GRPE-81-18
2020-06-11 2020-06-11
7 Jan 2020
UN R24: Proposal to amend the 03 series of amendments | GRPE-80-11
2020-01-07 2020-01-07
A total of 15 documents are available. See more