Quote:
Originally Posted by Herdalum
You don’t really know who is refining the gasoline you use in your car unless you do some homework. It’s a complex system and depends on where you live, but frequently one refinery will be supplying gasoline to several different branded marketing outlets.
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Typically, every gasoline company takes its refined gasoline from the same tank. The difference is in the additives that are added.
Any top tier gasoline should be fine but I would definitely only use top tier gasoline. This includes both Shell and Costco.