High-Octane Hijinks: Is Premium Fuel Better Than Regular

When it’s time to top-off the tank, drivers are confronted with a dizzying variety of choices at the pump.There’s premium gasoline, mid-grade, regular and – depending on where you live – some even offer ultra-high octane, with a rating of 94 or above.Octane numbers, ethanol content and diesel get thrown in the mix, while TV commercials shout about special cleaning additives and better fuel economy.What’s a motorist to do?

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E30 mixing chart

how many km do you get on a full tank?