Costco, Arco, and Union 76

For the past week I have been driving my Civic around fueled by Costco gas. It didn’t feel right – Costco’s variety didn’t deliver as much power or zest compared to Union 76’s that I usually use. Today I topped up my Civic with Union 76, and I could feel the power surge right away as I drove away from the gas station. Mind play? Perhaps.

Arco’s gas was worse than Costco’s. My wife doesn’t mind Costco’s gas, but she does of Arco’s.

(All brands of gasoline mentioned above are of regular unleaded.)

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  1. is there really that difference? or it’s your imagination?

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  2. I think there is a difference. My wife perceived the differenced too – she no longer uses Arco gas.

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