Photos: Cleaner technology on display

Nila, a Clean Tech finalist, has focused its efforts on improving the traditional production lights used on movie sets. The Nila Lighting System contains no lead or mercury and generates 70 percent less heat than traditional film lighting setups. The production light uses 50 percent less energy and lasts 25 times longer than traditional lights, according to Nila.

Photo by Neha Tiwari/CNET News.com