BMW challenged graduate students from Clemson University to create an energy-positive car that produces more electricity than it uses. This is what they came up with.

BMW challenged graduate students from Clemson University to create an energy-positive car that produces more electricity than it uses. This is what they came up with.

Clemson students built the Luminetta, a 1,212-pound solar EV with 1,700 photovoltaic cells that generates 31 miles of range daily from sunlight alone. BMW backed the project.