With the price of gasoline hovering around $1.90 per gallon, it helps to pay attention to even the smallest ways to conserve.
According to the Environmental Protection Agency, tires underinflated by 2 pounds per square inch can cause a 1 percent increase in fuel consumption -- possibly 18 gallons, or $34.20 per year.
Check your vehicle's tire pressure at least once a month, when the tires are cold and before and after long car trips.
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