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) (c. 582)

[F1ANNEX XVIII U.K. SPECIFIC TECHNICAL REQUIREMENTS FOR DUAL-FUEL ENGINES AND VEHICLES

Textual Amendments

F1 Inserted by Commission Regulation (EU) No 133/2014 of 31 January 2014 amending, for the purposes of adapting to technical progress as regards emission limits, Directive 2007/46/EC of the European Parliament and of the Council, Regulation (EC) No 595/2009 of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (Text with EEA relevance).

1. Scope U.K.

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 (GER _WHTC ≤ 10 %) and that do not have a diesel mode are prohibited. U.K.

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. U.K.

3. Dual-fuel specific approval requirements U.K.

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

4. General requirements U.K.

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. U.K.

5. Performance requirements U.K.

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

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. U.K.

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. U.K.

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

5.2.1. Emission limits applicable over the WHSC test-cycle U.K.

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 U.K.

5.2.2.1. Emission limits for CO, NO _x , NH ₃ and PM mass in dual-fuel mode U.K.

The CO, NO _x , NH ₃ 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 U.K.

5.2.2.2.1. Natural Gas/Biomethane engines U.K.

The THC, NMHC and CH ₄ 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 U.K.

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 U.K.

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 U.K.

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 U.K.

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 U.K.

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. U.K.

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

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: U.K.

(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. U.K.

Appendix 1

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

	GER _WHTC	Idle on diesel	Warm-up on diesel	Operation on diesel solely	Operation in absence of gas	Comments
Type 1A	GER _WHTC ≥ 90 %	NOT Allowed	Allowed only on service mode	Allowed only on service mode	Service mode
Type 1B	GER _WHTC ≥ 90 %	Allowed only on Diesel mode	Allowed only on diesel mode	Allowed only on diesel & service modes	Diesel mode
Type 2A	10 % < GER _WHTC < 90 %	Allowed	Allowed only on service mode	Allowed only on service mode	Service mode	GER _WHTC ≥ 90 % allowed
Type 2B	10 % < GER _WHTC < 90 %	Allowed	Allowed only on diesel mode	Allowed only on diesel & service modes	Diesel mode	GER _WHTC ≥ 90 % allowed
Type 3A	NEITHER DEFINED NOR ALLOWED]