# 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), Appendix 1

Extent: E+W+S+N.I.

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

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Source: https://www.legislation.gov.uk/eur/2011/582/annex/XVIII/appendix/1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-582/annex-XVIII/appendix-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.