Tulsa, Oklahoma (June 26, 2012) As the mercury begins to rise around the United States, five regions with the American Sprint Car Series are scheduled to host competition this weekend in Arizona, Nebraska, New Mexico, Oklahoma, and Michigan. Sunoco Fuels ASCS Canyon Region: After venturing into west Texas and southern New Mexico, the ASCS Canyon Region is back in Arizona after a two week break. Regrouping for the 2nd annual Summer Sizzle at Peoria’s Canyon Speedway Park, Charles Davis Jr....more