Originally Posted by John V6
Fully agree though the E5 I buy currently is Esso and that has zero ethanol though that is changing.

Sadly John, that's all about to end frown

Esso have announced from next month their premium fuel known as 'Synergy Supreme' will contain 5% ethanol.

Open up 'How much ethanol is in Esso's E5 fuel?' in the following link to he Esso website.

https://www.esso.co.uk/en-gb/faqs

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So, you may as well switch to E10.