Quote:
Originally Posted by Bimmer Nerd
Would that miniscule amount justify the price enough for you to choose shell over arco ? Because where i live, difference between shell 91 and arco 91 is 30+ cents on average.
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You do pay the difference for the cleaning agent chemicals in the fuel.
Like detergent to clean your engine. But for the gasoline itself, it will meet state/federal regulated specification.