Uniform Provisions Concerning the Approval of Passenger Cars Powered by an Internal Combustion Engine Only, or Powered by a Hybrid Electric Power Train with Regard to the Measurement of the Emission of Carbon Dioxide and Fuel Consumption and/or the Measurement of Electric Energy Consumption and Electric Range, and of Categories M1 and N1 Vehicles Powered by an Electric Power Train Only with Regard to the Measurement of Electric Energy Consumption and Electric Range

Related groups: GRPE
UN R101 | Revision 2 (2005)
29 Apr 2005 2011-01-21 14:38:19 UTC 2 00 series of amendments | Supplement 6
UN R101 | Revision 2 | Amendment 1 (2007)
8 Aug 2007 2011-01-21 14:39:24 UTC 2 1 00 series of amendments | Supplement 7
UN R101 | Revision 2 | Amendment 2 (2009)
9 Nov 2009 2011-01-21 14:40:12 UTC 2 2 00 series of amendments | Supplement 8
UN R101 | Revision 2 | Amendment 3 (2010)
4 Oct 2010 2011-01-21 14:40:53 UTC 2 3 00 series of amendments | Supplement 9
UN R101 | Revision 2 | Amendment 4 (2011)
25 Jan 2011 2011-01-27 07:35:30 UTC 2 4 01 series of amendments
UN R101 | Revision 3 (2013)
12 Apr 2013 2013-08-20 21:37:35 UTC 3 00 series of amendments | Supplement 7 00 series of amendments | Supplement 8 00 series of amendments | Supplement 9 01 series of amendments 01 series of amendments | Supplement 1
UN R101 | Revision 3 | Amendment 1 (2013)
6 Aug 2013 2013-08-20 21:33:45 UTC 3 1 01 series of amendments | Supplement 2
UN R101 | Revision 3 | Amendment 2 (2014)
24 Jun 2014 2014-08-25 17:39:47 UTC 3 2 01 series of amendments | Supplement 3 Based upon the adopted proposal: WP.29/2013/113

GRPE-approved text to align the requirements of UN R101 with those of EU Regulation (EC) Nos. 459/2012 and 630/2012.

UN R101 | Revision 3 | Amendment 3 (2015)
3 Feb 2015 2016-02-10 14:05:41 UTC 3 3 01 series of amendments | Supplement 4 Based upon the adopted proposal: WP.29/2014/42

Proposal to align UN Regulation No. 101 with the latest changes in the regulatory framework of the European Union in relation to the specifications of new reference fuels E10 and B7. Adopted by the Working Party on Pollution and Energy (GRPE) at its 68th session based on document GRPE/2014/5, not amended.

UN R101 | Revision 3 | Amendment 4 (2016)
5 Feb 2016 2016-02-10 14:02:32 UTC 3 4 01 series of amendments | Supplement 5 Based upon the adopted proposal: WP.29/2015/58

The purpose of this proposal is to include the necessary transitional provisions to Supplement 4 to the 01 series of amendments to Regulation No. 101, in order to ensure consistency between the reference fuels prescribed in Regulation No. 83 (Emissions of M1 and N1 vehicles) and those prescribed in this Regulation.

UN R101 | Revision 3 | Amendment 5 (2016)
11 Jul 2016 2016-07-12 14:45:44 UTC 3 5 01 series of amendments | Supplement 6 Based upon the adopted proposal: WP.29/2015/103

Proposal to align the tyre-selection criteria in the CO2 emissions/fuel consumption tests under UN R101 with those for pollutant emissions (UN R83).

UN R101 | Revision 3 | Amendment 6 (2017)
7 Dec 2017 2017-12-15 14:56:36 UTC 3 6 01 series of amendments | Supplement 7 Based upon the adopted proposal: WP.29/2017/44

Proposal, subject to endorsement by the GRPE during its January 2017 session, to permit Contracting Parties applying UN R101 and GTR No. 15 (WLTP) to refuse type approvals granted under UN R101 as an alternative to compliance with their national/regional legislation from the date of entry into force of Supplement 7 to the 01 series of amendments to UN R101.

UN R101 | Revision 3 | Amendment 7 (2019)
24 Jun 2019 2020-02-20 15:45:17 UTC 3 7 01 series of amendments | Supplement 8 Based upon the adopted proposal: WP.29/2018/150

Proposal to explicitly specify requirements related to the selection of driving modes for testing of Off-Vehicle Charging Hybrid Electric Vehicles (OVC-HEV) with a mode selection switch.

Earlier texts may be available through the UN Official Document System.