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Tire Pressure Matters

Tire pressure really can make a difference. First, the suggested psi in your car manual is usually determined by what produces the most comfortable ride, not the most fuel efficient performance.  Second, most tires aren’t inflated properly.  One Carnegie Mellon study found that only 2% of tires were inflated at the correct psi.  The EPA found that for every 2 psi under the maximum level, fuel efficiency drops 1%.  That means that the average American driver is spending an extra $432 on gas per year because of under inflated tires.