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Not worth the 60 cents per gallon. Probably real world only 1-2% more energy content "real" gas versus blended (blended may be oxygenated) so theoretically only that improvement in power and fuel economy is available. However, the blended fuel might tolerate more ignition advance (if tuned for it) and in some situations equal "real" gasoline.I have a choice where I live - i can buy "real gas" they call it. No alcohol, but 60 cents/gallon more. If it is 93 octane - do I want that instead of the alcohol blended 93 octane?? Or am i flirting with danger?