supermarket petrol

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Hammyman wrote: »

For the love of god...

It was one bad batch out of the billions of litres they sell. Do you avoid everything that you read about which has been sold with a defect? If so, why are you using a computer?

That caused serious damage to many vehicles ... I am free to buy whatever I choose to, wherever I choose, I choose to avoid Tesco fuel, which in my case is always more expensive than my local village garage in any case.

misterspivvy

I worked a spell driving tankers. Yes, supermarket fuel DOES come from the same place as anyone else's, however...any additives/detergents/arromatics etc going into the fuel do so at the tanker loading point.so what goes into the fuel depends on who the customer is.
In my own experience my car most definitely ran better and achieved greater MPG on Texaco over supermarket petrol, I was doing the same trip every week and a tankfull lasted me 3 days longer on Texaco. My car was a gutsy old boat of a volvo, so any MPG advantage was readily noticeable.
A work colleague has noticed the same thing with his 55 mondeo TDCI- on supermarket diesel it throws black smoke out of the back like nobody's business.
The definitive solution is to simply try it with your own vehicle and see how you get on. In most cases the difference is only going to be a couple of pence per litre- and if you're getting more MPG on the dearer fuel it's going to negate any savings made.
(on a personal note, I HATE how the supermarkets only just undercut the nearest petrol stations to them, then when they have driven them out of business hike the prices back up. as a moral choice I'd avoid supermar'ts anyway.)

System

The difference is notable between refineries as well. I regularly drive to Edinburgh from Cheshire. Same route there and back. I find that I get better MPG from a fill up at Edinburgh (from the Grangemouth refinery I assume) than I do from a fill up at home (Stanlow?). Using Shell from both ends.