In just three weeks, three Mazda Road To Indy champions will be one step closer to the Verizon IndyCar Series as 2.3 million dollars worth of MAZDASPEED advancement scholarships are handed out at Mazda Raceway Laguna Seca on September 13th, 2015. The USF2000, Pro Mazda and Indy Lights combatants will each contest two races on the hilly…