Twenty university teams from across North America are traveling 2,500 miles from Austin, TX in the world's longest solar-powered car race and will finish in Calgary, Alberta , Canada July 27. The competition is the 7th running of the North American Solar Challenge, a biennial 11-day race that pits teams of college students from the U.S. and Canada against each other, the weather and the challenges of making cutting-edge technology work. CSTV's hour-long documentary harnesses all the energy and passion in high definition.