http://www.articleheaven.net en-us editorial@articlealley.com Tires are made of materials that do not decompose, so they remain in dumps for many years after they had been discarded. According to the Environmental Protection Agency, there is a minimum of 275 million scrap tires in stockpiles around the U.S. At least... http://www.articleheaven.net/drift-tires-portland-2377765.html 18th October 2011