Commission Regulation (EU) No 582/2011 of 25 May 2011 implementing and amending Regulation (EC) No 595/2009 of the European Parliament and of the Council with respect to emissions from heavy duty vehicles (Euro VI) and amending Annexes I and III to Directive 2007/46/EC of the European Parliament and of the Council Text with EEA relevance

• (2) Part I, Section A of Annex III is amended as follows:
• (a) the following point 3.2.1.11 is inserted: ‘3.2.1.11.(Euro VI only) Manufacturer references of the Documentation package required by Articles 5, 7 and 9 of Regulation (EU) No 582/2011 enabling the approval authority to evaluate the emission control strategies and the systems on-board the engine to ensure the correct operation of NOx control measures’;
• (b) point 3.2.2.2 is replaced by the following: ‘3.2.2.2Heavy duty vehicles Diesel/Petrol/LPG/NG-H/NG-L/NG-HL/Ethanol (ED95)/Ethanol (E85) (¹) (⁶)’;
• (c) the following point 3.2.2.2.1 is inserted: ‘3.2.2.2.1.(Euro VI only) Fuels compatible with use by the engine declared by the manufacturer in accordance with Section 1.1.3 of Annex I to Regulation (EU) No 582/2011 (as applicable)’;
• (d) the following point 3.2.8.3.3 is inserted: ‘3.2.8.3.3.(Euro VI only) Actual Intake system depression at rated engine speed and at 100 % load on the vehicle: kPa’;
• (e) the following point 3.2.9.2.1 is inserted: ‘3.2.9.2.1.(Euro VI only) Description and/or drawing of the elements of the exhaust system that are not part of the engine system’;
• (f) the following point 3.2.9.3.1 is inserted: ‘3.2.9.3.1.(Euro VI only) Actual exhaust back pressure at rated engine speed and at 100 % load on the vehicle (compression-ignition engines only): … kPa’;
• (g) the following point 3.2.9.7.1 is inserted: ‘3.2.9.7.1.(Euro VI only) Acceptable Exhaust system volume: …dm³’;
• (h) the following point 3.2.12.1.1 is inserted: ‘3.2.12.1.1.(Euro VI only) Device for recycling crankcase gases: yes/no (²) If yes, description and drawings: If no, compliance with Annex V to Regulation (EU) No 582/2011 required’;
• (i) the following points 3.2.12.2.6.9 and 3.2.12.2.6.9.1 are inserted: ‘3.2.12.2.6.9.Other systems: yes/no (¹) 3.2.12.2.6.9.1.Description and operation’;
• (j) the following points 3.2.12.2.7.0.1 to 3.2.12.2.7.0.8 are inserted:
• ‘3.2.12.2.7.0.1. (Euro VI only) Number of OBD engine families within the engine family
• 3.2.12.2.7.0.2. (Euro VI only) List of the OBD engine families (when applicable)
• 3.2.12.2.7.0.3. (Euro VI only) Number of the OBD engine family the parent engine / the engine member belongs to:
• 3.2.12.2.7.0.4. (Euro VI only) Manufacturer references of the OBD-Documentation required by Article 5(4)(c) and Article 9(4) of Regulation (EU) No 582/2011 and specified in Annex X to that Regulation for the purpose of approving the OBD system
• 3.2.12.2.7.0.5. (Euro VI only) When appropriate, manufacturer reference of the Documentation for installing in a vehicle an OBD equipped engine system
• 3.2.12.2.7.0.6. (Euro VI only) When appropriate, manufacturer reference of the documentation package related to the installation on the vehicle of the OBD system of an approved engine
• 3.2.12.2.7.0.7. (Euro VI only) Written description and/or drawing of the MI (⁶)
• 3.2.12.2.7.0.8. (Euro VI only) Written description and/or drawing of the OBD off-board communication interface (⁶)’;
• (k) the following points 3.2.12.2.7.6.5, 3.2.12.2.7.7 and 3.2.12.2.7.7.1 are inserted: ‘3.2.12.2.7.6.5.(Euro VI only) OBD Communication protocol standard: (⁴) 3.2.12.2.7.7.(Euro VI only) Manufacturer reference of the OBD related information required by of Article 5(4)(d) and Article 9(4) of Regulation (EU) No 582/2011 for the purpose of complying with the provisions on access to vehicle OBD and vehicle Repair and Maintenance Information, or 3.2.12.2.7.7.1.As an alternative to a manufacturer reference provided in Section 3.2.12.2.7.7 reference of the attachment to the information document set out in Appendix 4 of Annex III to Regulation (EU) No 582/2011 that contains the following table, once completed according to the given example: Component — Fault code — Monitoring strategy — Fault detection criteria — MI activation criteria — Secondary parameters — Preconditioning — Demonstration test Catalyst — P0420 — Oxygen sensor 1 and 2 signals — Difference between sensor 1 and sensor 2 signals — 3rd cycle — Engine speed, engine load, A/F mode, catalyst temperature — Two Type 1 cycles — Type 1’;
• (l) the following points 3.2.12.2.8.1 to 3.2.12.2.8.8.3 are inserted:
• ‘3.2.12.2.8.1. (Euro VI only) Systems to ensure the correct operation of NOx control measures
• 3.2.12.2.8.2. (Euro VI only) Engine with permanent deactivation of the driver inducement, for use by the rescue services or in vehicles specified in Article 2(3)(b) of this Directive: yes/no
• 3.2.12.2.8.3. (Euro VI only) Number of OBD engine families within the engine family considered when ensuring the correct operation of NOx control measures
• 3.2.12.2.8.4. (Euro VI only) List of the OBD engine families (when applicable)
• 3.2.12.2.8.5. (Euro VI only) Number of the OBD engine family the parent engine / the engine member belongs to
• 3.2.12.2.8.6. (Euro VI only) Lowest concentration of the active ingredient present in the reagent that does not activate the warning system (CDmin): (% vol.)
• 3.2.12.2.8.7. (Euro VI only) When appropriate, manufacturer reference of the Documentation for installing in a vehicle the systems to ensure the correct operation of NOx control measures
• 3.2.12.2.8.8. Components on-board the vehicle of the systems ensuring the correct operation of NOx control measures
• 3.2.12.2.8.8.1. Activation of the creep mode: “disable after restart” / “disable after fuelling” / “disable after parking” (⁷)
• 3.2.12.2.8.8.2. When appropriate, manufacturer reference of the documentation package related to the installation on the vehicle of the system ensuring the correct operation of NOx control measures of an approved engine
• 3.2.12.2.8.8.3. Written description and/or drawing of the warning signal (⁶)’;
• (m) the following points 3.2.17.8.1.0.1 and 3.2.17.8.1.0.2 are inserted:
• ‘3.2.17.8.1.0.1. (Euro VI only) Self adaptive feature? Yes/No ⁽¹⁾
• 3.2.17.8.1.0.2. (Euro VI only) Calibration for a specific gas composition NG-H/NG-L/NG-HL (¹) Transformation for a specific gas composition NG-Ht/NG-Lt/NG-HLt (¹)’;
• (n) the following points 3.5.4 to 3.5.5.2 are inserted:
• ‘3.5.4. (Euro VI only) CO2 emissions for heavy duty engines
• 3.5.4.1. (Euro VI only) CO2 mass emissions WHSC test: … g/kWh
• 3.5.4.2. (Euro VI only) CO2 mass emissions WHTC test: … g/kWh
• 3.5.5. (Euro VI only) Fuel consumption for heavy duty engines
• 3.5.5.1. (Euro VI only) Fuel consumption WHSC test: … g/kWh
• 3.5.5.2. (Euro VI only) Fuel consumption WHTC test: … g/kWh’.

ANNEX XVIII

SPECIFIC TECHNICAL REQUIREMENTS FOR DUAL-FUEL ENGINES AND VEHICLES

1. Scope

This Annex shall apply to the dual-fuel engines and dual-fuel vehicles covered by this Regulation and sets out the additional requirements and exceptions applicable to the manufacturer for the type-approval of dual-fuel engines and vehicles.

• 1.1.Dual-fuel engines that operate over the hot part of the WHTC test-cycle with an average gas ratio that does not exceed 10 per cent (GERWHTC ≤ 10 %) and that do not have a diesel mode are prohibited.

2. A list of types of dual-fuel engines covered by this Regulation and of the main operational requirements is provided for in the Appendix.

3. Dual-fuel specific approval requirements

• 3.1.The dual-fuel specific approval requirements shall be those set out in paragraph 3 of Annex 15 to UNECE Regulation No 49.

4. General requirements

• 4.1.Dual-fuel engines and vehicles shall comply with the general requirements specified in paragraphs 4.1 to 4.7 of Annex 15 to UNECE Regulation No 49.

5. Performance requirements

5.1.   Emission limits applicable to Type 1A and Type 1B dual-fuel engines

• 5.1.1.The emission limits applicable to Type 1A and Type 1B dual-fuel engines operating in dual-fuel mode are those set for PI engines in Annex I to Regulation (EC) No 595/2009.

• 5.1.2.The emission limits applicable to Type 1B dual-fuel engines operating in diesel mode are those set for CI engines in Annex I to Regulation (EC) No 595/2009.

5.2.   Emission limits applicable to Type 2A and Type 2B dual-fuel engines

5.2.1.   Emission limits applicable over the WHSC test-cycle

For Type 2A and Type 2B dual-fuel engines operating in both diesel and dual-fuel mode, the exhaust emission limits, including the PM number limit, over the WHSC test-cycle are those applicable to CI engines over the WHSC test-cycle as set in Annex I to Regulation (EC) No 595/2009.

5.2.2.   Emission limits applicable over the WHTC test-cycle

5.2.2.1.   Emission limits for CO, NOx, NH3 and PM mass in dual-fuel mode

The CO, NOx, NH3 and PM mass emission limits over the WHTC test-cycle applicable to Type 2A and Type 2B dual-fuel engines operating in dual-fuel mode are those applicable to both CI and PI engines over the WHTC test-cycle as set in Annex I to Regulation (EC) No 595/2009.

5.2.2.2.   Emission limits for Hydrocarbons in dual-fuel mode

5.2.2.2.1.   Natural Gas/Biomethane engines

The THC, NMHC and CH4 emission limits over the WHTC test-cycle applicable to Type 2A and Type 2B dual-fuel engines operating with Natural Gas/Biomethane in dual-fuel mode are calculated from those applicable to CI and PI engines over the WHTC test-cycle as set in Annex I to Regulation (EC) No 595/2009, in accordance with the calculation procedure specified in paragraph 5.2.3 of Annex 15 to UNECE Regulation No 49.

5.2.2.2.2.   LPG engines

The THC emission limits over the WHTC test-cycle applicable to Type 2A and Type 2B dual-fuel engines operating with LPG in dual-fuel mode are those applicable to CI engines over the WHTC test-cycle as set in Annex I to Regulation (EC) No 595/2009.

5.2.2.3.   Emission limits for PM number in dual-fuel mode

The PM number limit over the WHTC test-cycle applicable to Type 2A and Type 2B dual-fuel engines operating in dual-fuel mode are calculated from those applicable to CI and PI engines over the WHTC test-cycle as set in Annex I to Regulation (EC) No 595/2009, in accordance with the calculation procedure specified in paragraph 5.2.4 of Annex 15 to UNECE Regulation No 49.

5.2.2.4.   Emission limits in diesel mode

The emission limits, including the PM number limit, over the WHTC test-cycle applicable to Type 2B dual-fuel engines operating in diesel mode are those set for CI engines in Annex I to Regulation (EC) No 595/2009.

5.3.   Emission limits applicable to Type 3B dual-fuel engines

The emissions limits applicable to Type 3B dual-fuel engines whether operating in dual-fuel mode or in diesel mode are the exhaust emission limits applicable to CI engines as set in Annex I to Regulation (EC) No 595/2009.

6. Demonstration requirements

• 6.1.Dual-fuel engines and vehicles shall comply with the additional requirements and exceptions related to demonstration set out in paragraph 6 of Annex 15 to UNECE Regulation No 49.

7. Documentation for installing in a vehicle a type approved dual-fuel engine

• 7.1.The manufacturer of a dual-fuel engine type-approved as separate technical unit shall include in the installation documents of its engine system the appropriate requirements that will ensure that the vehicle, when used on the road or elsewhere as appropriate, will comply with the dual-fuel specific requirements set out in this Regulation. This documentation shall include but is not limited to:

• (a) detailed technical requirements, including the provisions ensuring the compatibility with the OBD system of the engine system;

• (b) the verification procedure to be completed.

• The existence and the adequacy of such installation requirements may be checked during the approval process of the engine system.

• 7.2.In the case where the vehicle manufacturer applying for an EC type-approval of the installation of the engine system on the vehicle is the same manufacturer receiving the type-approval of the dual-fuel engine as separate technical unit, the documentation specified in point 7.1 is not required.

Appendix 1

Types of dual-fuel engines and vehicles - list of main operational requirements

[^E0001]: Regulation No 49 of the Economic Commission for Europe of the United Nations (UN/ECE) - Uniform provisions concerning the measures to be taken against the emission of gaseous and particulate pollutants from compression-ignition engines and positive ignition engines for use in vehicles (OJ L 171, 24.6.2013, p. 1).

[^E0003]: Commission Regulation (EU) 2017/2400 of 12 December 2017 implementing Regulation (EC) No 595/2009 of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles and amending Directive 2007/46/EC of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (OJ L 349, 29.12.2017, p. 1).

[^E0004]: Commission Implementing Regulation (EU) 2025/2161 of 27 October 2025 implementing Regulation (EC) No 595/2009 of the European Parliament and of the Council as regards the technical requirements of on-board devices for the monitoring and recording of fuel and energy consumption and mileage of certain heavy-duty vehicles, and for determining and recording the payload or total weight thereof (OJ L, 2025/2161, 31.10.2025, ELI: http://data.europa.eu/eli/reg_impl/2025/2161/oj).

[^E0006]: OJ L 275, 20.10.2005, p. 1.

[^E0007]: Commission Regulation (EU) 2019/1939 of 7 November 2019 amending Regulation (EU) No 582/2011 as regards Auxiliary Emission Strategies (AES), access to vehicle OBD information and vehicle repair and maintenance information, measurement of emissions during cold engine start periods and use of portable emissions measurement systems (PEMS) to measure particle numbers, with respect to heavy duty vehicles (OJ L 303, 25.11.2019, p. 1)

[^E0008]: Commission Regulation (EU) 2026/361 of 19 February 2026 amending Regulation (EU) No 582/2011 as regards the emissions type-approval of heavy-duty vehicles with on-board fuel and energy consumption monitoring devices (OJ L, 2026/361, 20.2.2026, ELI: http://data.europa.eu/eli/reg/2026/361/oj).

[^E0009]: Regulation (EU) 2024/1257 of the European Parliament and of the Council of 24 April 2024 on type-approval of motor vehicles and engines and of systems, components and separate technical units intended for such vehicles, with respect to their emissions and battery durability (Euro 7), amending Regulation (EU) 2018/858 of the European Parliament and of the Council and repealing Regulations (EC) No 715/2007 and (EC) No 595/2009 of the European Parliament and of the Council, Commission Regulation (EU) No 582/2011, Commission Regulation (EU) 2017/1151, Commission Regulation (EU) 2017/2400 and Commission Implementing Regulation (EU) 2022/1362 (OJ L, 2024/1257, 8.5.2024, ELI: http://data.europa.eu/eli/reg/2024/1257/oj).

[^E0010]: Directive 98/70/EC of the European Parliament and of the Council of 13 October 1998 relating to the quality of petrol and diesel fuels and amending Council Directive 93/12/EEC (OJ L 350, 28.12.1998, p. 58).

[^E0011]: OJ L 326, 24.11.2006, p. 55.

[^E0038]: Vehicle or vehicles in the case of a secondary engine.

[^E0079]: Delete where not applicable.

[^E0080]: Delete where not applicable.

[^E0081]: If the means of identification of type contains characters not relevant to describe the vehicle, component or separate technical unit types covered by this type-approval certificate such characters shall be represented in the document by the symbol: ‘?’ (e.g. ABC??123??).