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Is supermarket fuel inferior to petrol station fuel?

Why will no one do an in-depth review on supermarket v/s the big four fuel suppliers? I am a tanker driver (not fuel) and over the years have asked at least six fuel tanker drivers if there is a difference in fuel. All say yes. Shell, BP, Esso and Texaco all put additives in their fuel and supermarkets don’t, hence cheaper fuel at supermarkets.

Asked on 25 May 2013 by PB, Wallsend

Answered by Honest John
No newspaper, magazine or website has the resources or the money to do this. The people you should ask are at 'Which?'. I just switched from ordinary Shell to V-Power Nitro+ diesel and have seen an instant 3mpg improvement. It may be the warmer weather, though.

Real MPG enables you to register the fuel economy you are actually getting against your make and model of car, its engine and type of transmission.

Every time you enter an average consumption figure against your car, the overall average automatically adjusts to reflect it.

Real MPG
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