# Commission Delegated Regulation (EU) 2017/654 of 19 December 2016 supplementing Regulation (EU) 2016/1628 of the European Parliament and of the Council with regard to technical and general requirements relating to emission limits and type-approval for internal combustion engines for non-road mobile machinery, Division 4.4.1: Communicated torque when a dual-fuel engine operates in dual-fuel mode

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

When a dual-fuel engine operates in dual-fuel mode:
(a) The reference torque curve retrievable shall be the one obtained when that engine is tested on an engine test bench in the dual-fuel mode;
(b) The recorded actual torques (indicated torque and friction torque) shall be the result of the dual-fuel combustion and not the one obtained when operating with liquid fuel exclusively.

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Source: https://www.legislation.gov.uk/eur/2017/654/annex/VIII/division/4/division/4.4/division/4.4.1 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-654/annex-VIII/division-4/division-4.4/division-4.4.1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.