Written Question·Department for Transport·UIN 58158

Motor Vehicles: Biofuels

Tabled: 9 June 2025

Answered: 12 June 2025

Named Day

Question

David Davis

To ask the Secretary of State for Transport, whether she has made an estimate of the number of cars that would be compatible with (a) E15 and (b) E20 fuel.

Answer

Lilian Greenwood

The UK Government made E10 the standard (or ‘premium’) grade petrol in Great Britain in September 2021. Previously the grade supplied at UK forecourts contained a lower bioethanol content known as E5. In making the decision to mandate E10 the Department c...

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