12/2/12
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If you drive only locally, there’s no need to have a spare tire in your car -- especially if you don’t know how to replace it. A spare tire weighs about 39 pounds, which reduces your car’s efficiency by 1 percent. That’s an extra $50 in lost fuel savings. Instead, keep a can of Fix-A-Flat, which can temporarily inflate a flat tire, so you can drive to a repair shop and get it fixed.