# Commission Regulation (EC) No 692/2008 of 18 July 2008 implementing and amending Regulation (EC) No 715/2007 of the European Parliament and of the Council on type-approval of motor vehicles with respect to emissions from light passenger and commercial vehicles (Euro 5 and Euro 6) and on access to vehicle repair and maintenance information (Text with EEA relevance), Division 3.4

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

The hydrocarbons ratios in paragraph 8.2 shall be understood as follows:
For petrol (E5) (C 1 H 1,89 O 0,016 )
d = 0,631 g/l
For petrol (E10) (C 1 H 1,93 O 0,033 )
d = 0,645 g/l
For diesel (B5) (C 1 H 1,86 O 0,005 )
d = 0,622 g/l
For diesel (B7) (C 1 H 1,86 O 0,007 )
d = 0,623 g/l
For LPG (C 1 H 2,525 )
d = 0,649 g/l
For NG/biomethane (CH 4 )
d = 0,714 g/l
For ethanol (E85) (C 1 H 2,74 O 0,385 )
d = 0,932 g/l
For ethanol (E75) (C 1 H 2,61 O 0,329 )
d = 0,886 g/l
For H 2 NG
d = 9,104 × A + 136 1524,152 − 0,583A g/l
A being the quantity of NG/biomethane within the H 2 NG mixture, expressed in per cent volume.

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Source: https://www.legislation.gov.uk/eur/2008/692/annex/III/division/3/division/3.4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2008-692/annex-III/division-3/division-3.4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.