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Environmental and Propulsion Performance Requirements for L-category Vehicles (EPPR)

This page provides access to the documents and meetings of the L-Vehicle Environmental and Propulsion Performance Requirements.
No new meetings have been scheduled as of today.

The informal working group on environmental and propulsion performance requirements for L-category vehicles aligns with an initiative by the European Commission to revise type approval procedures for such vehicle types (see Regulation (EU) No 168/2013).

L-category vehicle is the family name of light vehicles such as powered cycles, mopeds, motorcycles, tricycles and quadricycles used in UN type-approval regulations. Category 3 is the counterpart class used by Global Technical Regulations.

In order to promote harmonization, the European Commission is pursuing the development of new laws under the proposed EU type-approval system for L-category vehicles through this informal group.

The EPPR group is developing new provisions concerning the following environmental performance assessment test:

  • I Tailpipe emissions test after cold start;
  • II Tailpipe emissions test at (increased) idle / free acceleration test;
  • III Emission test of crankcase gasses;
  • IV Evaporative emissions test;
  • V Durability testing of pollution control devices;
  • VII Measurement of energy efficiency (CO2 emissions, fuel consumption, electric energy consumption and electric range determination);
  • VIII environmental on-board diagnostic verification tests as well as functional on-board diagnostics.
  • Test VI: Cold ambient emissions is considered outside the scope of this effort.

Revisions to GTR No. 2 (WMTC) will address test types I, II, and VII while new Global Technical Regulations are expected on “crankcase and evaporative emissions” (IV and III, respectively), OBD (VIII), and, in a second phase, on durability and “propulsion unit performance requirements”.

The initial completion date for the first phase of work was June 2016; however, a proposal is under consideration to extend the EPPR group mandate into 2020.


The EPPR informal group has set up a page for its OBD 2 Correspondence Group with documents covering the motorcycle on-board diagnostics work.


Click here for more information about the Environmental and Propulsion Performance Requirements for L-category Vehicles.
Date Reference Description Status
07 Jan 2019 EPPR-26-12/Rev.1
Draft agenda for the 26th EPPR informal group session
Informal Group Agenda EPPR-26-0012/Rev.1
08 Jan 2019 EPPR-26-14
Webex link for 9 January EPPR informal group session
Informal Group Informal EPPR-26-0014
08 Jan 2019 EPPR-26-13
GTR 2: IMMA comments on Part B3 para. 3.6 Type II test (IMMA)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-26-0013
09 Jan 2019 EPPR-26-16
GTR 2: Consolidated text incorporating draft Amendment 4 as of 9 January 2019
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-26-0016
09 Jan 2019 EPPR-26-15
OBD 2 Correspondence Group status report
Informal Group Informal Motorcycle On-Board Diagnostic Systems L-OBD Project to establish a Global Technical Regulation and its homologous UN Regulation for motorcycle and moped on-board diagnostic systems. EPPR-26-0015
31 Jan 2019 EPPR-27-01/Rev.1
Invitation and draft agenda to the 27th EPPR informal group session
Informal Group Informal EPPR-27-0001/Rev.1
13 Feb 2019 EPPR-27-02
GTR 2: Consolidated final EPPR informal group draft of the amended regulation
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-27-0002
15 Feb 2019 EPPR-27-03/Rev.1
Draft agenda for the 27th EPPR informal group meeting
Informal Group Agenda EPPR-27-0003/Rev.1
19 Feb 2019 EPPR-27-04
Revised final draft GTR 2 amendment
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-27-0004
19 Feb 2019 EPPR-26-17
Report of the 26th EPPR informal group session
Informal Group Report Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption Motorcycle On-Board Diagnostic Systems L-OBD Project to establish a Global Technical Regulation and its homologous UN Regulation for motorcycle and moped on-board diagnostic systems. EPPR-26-0017
21 Feb 2019 EPPR-28-01/Rev.2
Invitation to the 28th EPPR informal group session
Informal Group Informal EPPR-28-0001/Rev.2
25 Feb 2019 EPPR-27-05
Outcome of the 27th EPPR informal group session
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption Proposal for Amendment 4 to UN GTR No. 2. EPPR-27-0005
06 Mar 2019 EPPR-27-06
List of participants from the 27th EPPR informal group session
Informal Group Informal EPPR-27-0006
13 Mar 2019 EPPR-27-07/Rev.1
Draft report of the 27th EPPR session
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-27-0007/Rev.1
20 Mar 2019 EPPR-29-01
Invitation to the 29th EPPR informal group session
Informal Group Informal EPPR-29-0001
28 Mar 2019 EPPR-28-06
Draft report of the 28th EPPR informal group session
Informal Group Report Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption Motorcycle On-Board Diagnostic Systems L-OBD Project to establish a Global Technical Regulation and its homologous UN Regulation for motorcycle and moped on-board diagnostic systems. EPPR-28-0006
28 Mar 2019 EPPR-28-05
GTR 2: Corrections to the draft Amendment 4
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-28-0005
28 Mar 2019 EPPR-28-04/Rev.1
GTR 2: Content points for the Amendment 4 technical report
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-28-0004/Rev.1
28 Mar 2019 EPPR-28-03
GTR 2: Content proposals for Amendment 4 draft technical report
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-28-0003
28 Mar 2019 EPPR-28-02/Rev.3
Agenda for the 28th EPPR informal group session
Informal Group Agenda Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption Motorcycle On-Board Diagnostic Systems L-OBD Project to establish a Global Technical Regulation and its homologous UN Regulation for motorcycle and moped on-board diagnostic systems. EPPR-28-0002/Rev.3
23 Apr 2019 EPPR-29-03
GTR 2: India comments on draft technical report (document EPPR-28-03) (India)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-29-0003
24 Apr 2019 EPPR-29-04/Rev.1
GTR 2: India comments on draft technical report (document EPPR-28-04/Rev.1) (India)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-29-0004/Rev.1
24 Apr 2019 EPPR-29-02/Rev.1
GTR 2: India comments on draft text in document EPPR-28-05 (India)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-29-0002/Rev.1
26 Apr 2019 EPPR-29-06
GTR 2: IMMA comments on the corrections to the draft Amendment 4 (IMMA)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-29-0006
26 Apr 2019 EPPR-29-05
GTR 2: IMMA comments on content of the amendment technical report (IMMA)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-29-0005
15 May 2019 EPPR-29-09
GTR 2: Responses to IMMA comments on the draft Amendment 4 (India)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-29-0009
15 May 2019 EPPR-29-08
Comments on the draft GTR 2 Amendment 4 text (India)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-29-0008
20 May 2019 EPPR-29-10
GTR 2: Draft technical rationale for Amendment 4
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-29-0010
21 May 2019 EPPR-29-13
GTR 2: Hydrocarbon (HC) and Total Hydrocarbon (THC) measurement
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-29-0013
21 May 2019 EPPR-29-12
GTR 2: Emissions durability options in the EU
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-29-0012
21 May 2019 EPPR-29-11/Rev.1
GTR 2: Improvements to the Amendment 4 draft text
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-29-0011/Rev.1
21 May 2019 EPPR-29-07/Rev.2
Draft agenda for the 29th EPPR informal group session
Informal Group Agenda EPPR-29-0007/Rev.2
22 May 2019 EPPR-29-15
Draft report of the 29th EPPR informal group session
Informal Group Report Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption Motorcycle On-Board Diagnostic Systems L-OBD Project to establish a Global Technical Regulation and its homologous UN Regulation for motorcycle and moped on-board diagnostic systems. Durability of L-category Vehicle Pollution Control Devices L-vehicle Pollution Control Durability Requirements for Two- and Three-wheeled Light Motor Vehicles with regard to the Durability of the Pollution Control Devices EPPR-29-0015
Not Available EPPR-29-14 See documents GRPE-79-21 and 22 below. Informal Group Informal EPPR-29-0014
04 Jun 2019 EPPR-31-03
EPPR-31: Directions from Los Angeles airport to the South Coast Air Quality Management District offices
Informal Group Informal EPPR-31-0003
04 Jun 2019 EPPR-31-02
Hotel list for the 31st EPPR informal group session
Informal Group Informal EPPR-31-0002
04 Jun 2019 EPPR-31-01
Invitation to the 31st EPPR informal group session
Informal Group Informal EPPR-31-0001
26 Jun 2019 EPPR-29-16
Report of the 29th EPPR informal group session
Informal Group Report Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption Motorcycle On-Board Diagnostic Systems L-OBD Project to establish a Global Technical Regulation and its homologous UN Regulation for motorcycle and moped on-board diagnostic systems. EPPR-29-0016
06 Sep 2019 EPPR-30-01
GTR 2: Revisions to Amendment 4 (based on document GRPE-79-21/Rev.1)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-30-0001
19 Sep 2019 EPPR-30-02/Rev.1
Draft agenda for the 30th EPPR informal group session
Informal Group Agenda EPPR-30-0002/Rev.1
23 Sep 2019 EPPR-31-04
CARB Lab Tour screening form
Informal Group Informal EPPR-31-0004
08 Oct 2019 EPPR-31-07
IMMA review of draft L-vehicle durability GTR (IMMA)
Informal Group Informal Durability of L-category Vehicle Pollution Control Devices L-vehicle Pollution Control Durability Requirements for Two- and Three-wheeled Light Motor Vehicles with regard to the Durability of the Pollution Control Devices EPPR-31-0007
09 Oct 2019 EPPR-31-05
Draft agenda for the 31st EPPR informal group session
Informal Group Agenda EPPR-31-0005
09 Oct 2019 EPPR-31-06
EPPR-31: List of registered participants
Informal Group Informal EPPR-31-0006
12 Oct 2019 EPPR-31-08
EPPR informal group draft request for mandate extension
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption Motorcycle On-Board Diagnostic Systems L-OBD Project to establish a Global Technical Regulation and its homologous UN Regulation for motorcycle and moped on-board diagnostic systems. EPPR-31-0008
14 Oct 2019 EPPR-31-10
Korea opinion on test method for L-category maximum power (KATRI)
Informal Group Informal Measurement of Motorcycle Max Power Motorcycle Max Power EPPR-31-0010
14 Oct 2019 EPPR-31-09
L-vehicle pollution control durability draft GTR (IMMA)
Informal Group Informal Durability of L-category Vehicle Pollution Control Devices L-vehicle Pollution Control Durability Requirements for Two- and Three-wheeled Light Motor Vehicles with regard to the Durability of the Pollution Control Devices EPPR-31-0009
14 Oct 2019 EPPR-30-03
IMMA review of draft L-OBD2 Phase 2 (IMMA)
Informal Group Informal Motorcycle On-Board Diagnostic Systems L-OBD Project to establish a Global Technical Regulation and its homologous UN Regulation for motorcycle and moped on-board diagnostic systems. EPPR-30-0003
18 Oct 2019 EPPR-31-11
CARB: On-road Motorcycle (ONMC) rulemaking overview (CARB)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-31-0011
18 Oct 2019 EPPR-31-12
CARB new vehicle certification: Highway motorcycle and off-highway recreation vehicle (CARB)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption EPPR-31-0012
23 Oct 2019 EPPR-31-13
CARB laboratory tour program (CARB)
Informal Group Informal EPPR-31-0013
23 Oct 2019 EPPR-31-14
List of participants from the 31st EPPR informal group session
Informal Group Informal EPPR-31-0014
29 Nov 2019 EPPR-32-01
Draft agenda for the 32nd EPPR informal group session
Informal Group Agenda EPPR-32-0001
03 Dec 2019 EPPR-32-02
Comments on the draft request to extend the EPPR informal group mandate (IMMA)
Informal Group Informal Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption Motorcycle On-Board Diagnostic Systems L-OBD Project to establish a Global Technical Regulation and its homologous UN Regulation for motorcycle and moped on-board diagnostic systems. Durability of L-category Vehicle Pollution Control Devices L-vehicle Pollution Control Durability Requirements for Two- and Three-wheeled Light Motor Vehicles with regard to the Durability of the Pollution Control Devices EPPR-32-0002
10 Dec 2019 EPPR-32-03
Draft report of the 32nd EPPR informal group session
Informal Group Report Motorcycle Emissions and Fuel Consumption WMTC Measurement procedure for two-wheeled motorcycles equipped with a positive or compression ignition engine with regard to the emission of gaseous pollutants, CO2 emissions and fuel consumption Motorcycle On-Board Diagnostic Systems L-OBD Project to establish a Global Technical Regulation and its homologous UN Regulation for motorcycle and moped on-board diagnostic systems. Durability of L-category Vehicle Pollution Control Devices L-vehicle Pollution Control Durability Requirements for Two- and Three-wheeled Light Motor Vehicles with regard to the Durability of the Pollution Control Devices Measurement of Motorcycle Max Power Motorcycle Max Power EPPR-32-0003