# Regulation (EU) 2019/1242 of the European Parliament and of the Council of 20 June 2019 setting CO2 emission performance standards for new heavy-duty vehicles and amending Regulations (EC) No 595/2009 and (EU) 2018/956 of the European Parliament and of the Council and Council Directive 96/53/EC (Text with EEA relevance), Division 3: THE REFERENCE CO2 EMISSIONS REFERRED TO IN THE SECOND PARAGRAPH OF ARTICLE 1

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

The reference CO2 emissions (rCO2sg ) shall be calculated for each vehicle sub-group sg on the basis of all new heavy-duty vehicles of all manufacturers of the reference period as follows:
rCO2 sg = ∑ v CO2 v ∕ PL sg rV sg
where:
∑ v is the sum over all new heavy-duty vehicles registered in the reference period in the vehicle sub-group sg, excluding vocational vehicles, in accordance with the second paragraph of Article 1;
CO2v are the specific CO2 emissions of the new heavy-duty vehicle v as determined in accordance with point 2.1, if applicable adjusted pursuant to Annex II;
rVsg is the number of all new heavy-duty vehicles registered in the reference period in the vehicle sub-group sg, excluding vocational vehicles, in accordance with the second paragraph of Article 1;
PLsg is the average payload of vehicles in the vehicle sub-group sg as determined in point 2.5.

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Source: https://www.legislation.gov.uk/eur/2019/1242/annex/I/division/3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-1242/annex-I/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.