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What is a good way to save money on car expenses?
Apparently, if you keep your tires' air filled to the recommended level, your car will burn less gas.   I loved this article at WikiHow, which confirmed what I had heard about air in tires, and had others to suggest, such as removing unnecessary items from inside and on your car (such as bike racks, trailer balls) as they can add to your car's overall weight, causing more drag and using more gas.