Join Date: Mar 2006
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Re: Branded or Supermarket?
Strangely enough, I noticed a distinct mileage improvement in my car when Shell's new petrol and diesel came out (forget what it's called now). Now, however, the advantage has disappeared.
Perhaps the cause is, as some say on here, that the fuel is practically identical wherever you get it from and supermarkets are now selling the same formulation as Shell.
Currently in mrtotty's garage:
2011 Clio dCi 88 Expression Eco