Quote:
Originally Posted by NewellCrazy
Too Little Tire Pressure
- A vehicles gas mileage decreases by 4 percent for every pound of recommended air pressure that is not in the tire. As the tire pressure decreases in a tire, the tire hugs the pavement more and therefore causes the tires to rotate slower and the car to use more gas.
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That makes sense, if my tire should be at 100psi and I run it at 25psi I probably won't go very far, hence I would get close to 0mpg... or maybe not...