To date, petrol in the UK has contained up to 5% renewable ethanol (known as E5). SU "ELECTRIC" FUEL/PETROL PUMP. Check before you use E10 Petrol in your Classic Car. MORRIS MINI-MINOR Mk1. If your vehicle is not compatible with E10 fuel, you will still be able to use E5 by purchasing the ‘Super’ grade petrol from most filling stations.
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