IRVINE, Calif. — Kia Racing and partner Kinetic Motorsports return to the racetrack this weekend in St. Petersburg, Fla., for the kickoff the 2013 Pirelli World Challenge (PWC) season. The No. 36 and No. 38 turbocharged Optimas will take the green flag for Round 1 on Saturday, March 23. Building on the brand’s successful rookie […]