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In this handout image provided by Shell via AP Images, Team ice lab HUT (ICE_HUST) from Hanoi University of Science and Technology in Vietnam 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. (Jason Pang Show Heng/Shell via AP Images)