Studies show that the majority of the cars on the road are driving with their tires under inflated. This has consequences for your safety and for the environment. When someone who drives around 12,000 miles a year with under inflated tires, they waste about 144 gallons of gas. Also, having your tires properly inflated insures safety. Preventing excess wear and tear, shorter stop times, and lower risk of a blown tire are just a couple of the many reasons to get your tire pressure checked!