This year, the Eximus IV smashed the competition and all previous records to be the most energy efficient vehicle during the Delsbo Electric contest in Sweden. /VCG Photo

Team Eximus, a joint effort between Dalarna University and Chalmers Technical University, has become a bit of a legend in the Delsbo contest, which challenge students to create and improve on the world's most energy-efficient vehicles. /VCG Photo

The team used ultra-light aircraft materials and aerodynamics, successfully making the efficiency works out around 687 MPGe, or 0.34 l/100km. /VCG Photo