A lot people make minor improvements to their cars, whether it's changing air filters or fixing brake lights.
But for the EcoCAR 2 competition, fifteen teams of college students are tasked with re-engineering a 2013 Chevrolet Malibu for better gas mileage, while gaining firsthand experience on working with advanced technology vehicles.
Sunrise 7's Sean Caldwell spoke with John Haraf of General Motors and Stevens Point native Emily Keats, the communications director for the Colorado State University team, to learn more about the competition sponsored by GM and the U.S. Department of Energy.
The CSU team won the Ron Stence Spirit Of The Challenge award Thursday evening.
Full results will be announced this weekend.