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Unleaded Petrol: e10, e85, Unleaded 91, 95, 98, High Octane & Premium ULP - What is the Best Fuel for Your Car? | CarsGuide
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Unleaded Petrol: e10, e85, Unleaded 91, 95, 98, High Octane & Premium ULP - What is the Best Fuel for Your Car? | CarsGuide
What was the highest octane rating for gasoline in the late 1990s? Do (non-sport) cars that were made then need a gasoline above 95 octanes? - Quora
Why are octane levels of US gas so much lower than the rest of the world (e.g. Asia where octane levels are ~97/98/99)? - Quora
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