FILE **In this July 26, 2008 file photo, second-place finisher Helio Castroneves, right, of Brazil, poses with winner Scott Dixon, of New Zealand, after the IndyCar Series' Rexall Edmonton Indy auto race in Edmonton, Alberta. After 12 years of struggle by both IndyCar and the series that began as CART and became the Champ Car World Series, the unified series experienced much more than simply a honeymoon during the 2008 season. THE CANADIAN PRESS/John Ulan