Watching your tire pressure may seem like a small, even unimportant detail, but it can bring big rewards. Keeping your tires properly inflated is one of the simplest things you can do to help fight global warming, lower your fuel costs, and stay safe on the road. And with Congress requiring automakers to install new technology that monitors tire pressure and warns drivers when it drops too far below recommended levels, keeping your tires inflated will soon be even easier. Photo courtesy of Getty Images

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