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    BMW is now trying water injection.

    I think some people tried this back in the 60's and it had too many problems. BMW sure is getting into a lot of complexity with their designs. All their cars will have Turbo's and now some will have water injection along with fuel injection. <a...
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    Recreational gasoline

    The local truck stop sells recreational gasoline, 90 octane ethanol free - supposedly, out of a large above ground tank behind that station. I have purchased it for my lawn equipment but I wondered, is there an easy way to verify it really is ethanol free? Would it look any different?