What percentage of American children live in poverty? According to the National Center for Children in Poverty, 16 percent of children (20 percent of children under age six) in America live in poverty. The child poverty rate in America is often two to three times higher than that of other major industrial nations. Poverty is defined as living in families with incomes below the federal poverty line ($21,200 for a family of four in 2008).
The main cause for tire cupping is worn suspension allowing too much freedom for the wheel to bounce and vibrate, specifically shocks/struts and bushings. If your wheels are going out of balance, this issue is greatly amplified.
When you think you've added or let out enough air, check the pressure a few times with the gauge. 8. Replace the valve dust caps. Rastetter emphasized the importance of keeping dust caps on during winter driving because if water gets into the valve stem and freezes inside the tire, it could cause a flat. While you're at it, check your spare tire's pressure. You don't want to have a flat tire and then find out your replacement is flat, too.