Nickel at FiveCentNickel altered his driving methods a bit and improved his gas mileage by 15%. Not impressed? That amounted to a savings of a little over 52 cents a gallon.
Still not impressed? This savvy personal-finance blogger paid with a cash rewards credit card that gives him a 5% discount on gas. "Thus, my base price was really $4.019 - 5% = $3.82. The 15% mileage boost then takes that down to the equivalent of $3.32 a gallon." When was the last time you paid that for gas?
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