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COMMERCIAL IMAGE - In this handout image provided by Shell via AP Images, Autodesk ZEAL Eco-Power from Tongji University in China prepares for a test run during registration day for the Shell Eco-marathon energy efficiency challenge at Sepang International Circuit in Sepang, Malaysia, Wednesday, July 6, 2011. Teams from all over Asia arrived for test day while their cars were put through technical and safety checks to make ready for the ensuing challenge. (Eldred Lim Chin Ban/Shell via AP Images)