Re: Fuel additive
Additives and cleaners are required in all fuels in the US, IIRC. The quality and the percentage of those cleaners is better/higher in the larger market brands. Top tier fuel stops also ensure that you aren't getting blended fuel. The cheap stuff is usually a mix of whatever was left over from several different manufacturers or sources, so there is no guarantee of how much, or which, additives you are actually pouring into your tank.
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