Photos: Novazone's pest killer

Novazone CEO Dave Cope shows how air is sucked into the system. Large producers of bottled water already use the company's equipment and so do many household names in the agribusiness world. Next, the company will make portable systems for trucks. "There are 1.3 million refrigerated containers in the world," Cope said. Putting ozone units in retail outlets, meanwhile, represents another big potential market.

Photo by Michael Kanellos/CNET News.com