Chicago-based vAuto, a company that creates technology for live used-auto data, announced that it’s adding more high tech jobs to its Austin research and development facility on Great Hills Trail. vAuto technology gives car dealers, including 5 of the nation’s 6 largest franchise dealerships, an up-to-the-minute dashboard on used car pricing, appraisals, and stock. The company will showcase its technology at the National Automobile Dealers Association convention next month.