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The U.S. Department of Energy, the main sponsor for this biannual event, seeks to bolster national security by promoting renewable and energy-efficient technologies. This year's course will include "raycing" in Canada for the first time. Here, defending champions from the University of Missouri, Rollo fine tune Solar Miner V prior to the race.
To get the most out of limited power and take advantage of aerodynamics, cars are designed to run as low to the ground as possible. Here the University of Minnesota's team driver peers over the hood.
Principia College RA 6
Principia College, a liberal arts college in Elsah, Ill., with approximately 550 students, qualified for the race in RA 6 despite not having an engineering department. Cars can run at highway speeds but speed and distance covered is sometimes determined by the weather.