Toyota Prius Forum : Toyota Prius Forums - View Single Post - What kind of gas do you use in your Prius? Premium or Regular?
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post #3 of Old 02-20-2012, 11:32 AM
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I would just use premium. Not because people say you get better mileage. Not because people say it makes it run faster. But mainly because most premium gases don't have ethanol mixed in. Also premium gases can remain stable in your tank way longer than regular gas. Meaning if ever for some reason you're unable to start it up for a long time it wont gunk up the fuel lines.
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