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post #6 of (permalink) Old 27th February 2007
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Depending on the refinery or the supplier there may be a small difference - by law fuels must comply to a specific standard - some companies just struggle to meet this whilst others will always try to better it. If you can get more MPG from a slightly dearer fuel it may work out cheaper in the long run. People seem to get freaked out about the cost of fuel these days. When you start to calculate the cost of motoring its the one area were least savings can be made when you consider all the other cost such as depreciation, insurance, tax and maintenance. I live in Northern Ireland and there have been case where petrol has been diluted with kerosene which makes it practically unusable - but they then add napthalene (mothballs to you and me) to up the octane level - it ain't good for engines and fuel systems. Better still has anyone ever asked a fuel supplier to tell them the specificaton of their fuel - under law they have to on order to comply with weights and measures legislation -that way we could do a honest comparison. Maybe we should leave that question for another forum.
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