# 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 2.4.3

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

Control conditions for engines of categories NRE, NRG and RLR:
(a) the atmospheric pressure greater than or equal to 82,5 kPa;
(b) the ambient temperature within the following range:
equal to or above 266 K (– 7 °C),
less than or equal to the temperature determined by the following equation at the specified atmospheric pressure: Tc = – 0,4514 × (101,3 – Pb) + 311, where: Tc is the calculated ambient air temperature, K and Pb is the atmospheric pressure, kPa;
(c) the engine coolant temperature above 343 K (70 °C).

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Source: https://www.legislation.gov.uk/eur/2017/654/annex/IV/division/2/division/2.4/division/2.4.3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-654/annex-IV/division-2/division-2.4/division-2.4.3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.