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COMMERCIAL IMAGE - In this handout image provided by Shell via AP Images, cars get ready for the ceremonial start conducted by Datak Fadillah Yusof and Royal Dutch Shell CEO Peter Voser during Day 2 of the Shell Eco-marathon energy efficiency challenge at Sepang International Circuit in Sepang, Malaysia, Friday, July 8, 2011. Teams from all over Asia will continue to race their energy efficient cars against other universities during Day 2 of the three day challenge. (Janson Lee Kok Wooi/Shell via AP Images)