You Absolutely Need a Tire-Pressure Gauge

For everything you need to know about buying and maintaining tires, click here. Until flying cars arrive, which won’t be any time soon, tires will remain indispensable. They are precisely engineered to perform multiple, often conflicting, functions: They must grip the road securely, cut a safe path through puddles and snow, turn with precision, contribute to good fuel economy, help smooth the ride, and be strong enough to resist damage from potholes and road debris.

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