# Commission Regulation (EU) No 566/2011 of 8 June 2011 amending Regulation (EC) No 715/2007 of the European Parliament and of the Council and Commission Regulation (EC) No 692/2008 as regards access to vehicle repair and maintenance information (Text with EEA relevance), Division (3): in Annex IV, point 2.2 of Appendix 1 is replaced by the following:

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

‘2.2.
The atomic ratios specified in point 5.3.7.3 shall be understood as follows:
Hcv = Atomic ratio of hydrogen to carbon
for petrol (E5) 1,89
for LPG 2,53
for NG/biomethane 4,0
for ethanol (E85) 2,74
for ethanol (E75) 2,61
Ocv = Atomic ratio of oxygen to carbon
for petrol (E5) 0,016
for LPG 0,0
for NG/biomethane 0,0
for ethanol (E85) 0,39
for ethanol (E75) 0,329’;

---
Source: https://www.legislation.gov.uk/eur/2011/566/annex/I/division/3 (the official version)
Page: https://openlegislation.uk/eu-regulation-2011-566/annex-I/division-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.