Krispy Kreme will offer a dozen glazed donuts for the same price as a gallon of gas for the next four Wednesdays.
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The donut chain will use the national average gas price on the previous Monday to determine the price on Wednesday.
That means this Wednesday a dozen glazed donuts should cost $4.11.
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It's a pretty good deal considering a box normally costs around $10.
The promotion ends on May 4.