Re: Todays Gas for Daily drivers
Haven't been able to find anything for several years around here (Northern Illinois) that is pure gas anymore. Highest octane (unless a place has racing gas) is usually 91 or 93 at most stations around here.
Ethanol has less energy than pure gas so yes it will provide less mileage than 100% pure gas. I know your question was about daily drivers but the real issue for the older cars is how the ethanol affects the seals/hoses/gaskets of the fuel systems on the older cars that are not designed to handle ethanol. It is a huge issue in the marine/boating world. I use the marine formula sta-bil fuel additive in the cars and boats for longer storage as it is supposed to help prevent the ethanol from causing the damage it does over time.
Jake
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