If it was a snake it would have bitten me. Now admittedly I don't have a car, nor do I pump gas for either of my parents' cars when I have the occasional opportunity to drive them, but I like to think of myself as a 'petrol head', like they say on Top Gear. I have a fondness for well engineered cars, the more impressive the engine the more I tend to love it, and as such I am familiar with the idea of spending a little more for the recommended higher octane ratings. But sitting in my chemistry class yesterday Professor Durig brought up the fact that while automakers tell you to buy higher grade, there is actually no need. It's the plus or minus two that will get you. You can get the 89 but aren't guaranteed the 89, why not just get the cheaper 87 as you could possibly be getting the 89? Then you look up and see a little sign that says 'love your car and it will love you back' or some other nonsense and more than likely you'll get the 89 instead of the 87.
We know better but we still fall for it almost every time.
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