Brilliant Auto-Inflating Tires Pump Themselves Up As They Roll

There's a long list of reasons why you should keep your vehicle's tires properly inflated—from better mileage to safer handling. Goodyear has made this motorist's chore extra easy with its new Air Maintenance Technology system, which automatically keeps a tire at the proper PSI using a self-contained passive pump. » 9/21/12 9:40am 9/21/12 9:40am