I am a “ fuel hauler “ truck driver. I have never heard of this before, ever. All I know of is branded gas and unbranded gas. Branded and unbranded diesel are the same exact thing. We all load our trucks at the same place . Gas has different additives injected into it for different brands,ie. chevron,shell, BP, Exon,…… other than that there is regular/ mid grade/ and Premium, witch means the different octane levels.
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