solar-powered refrigeration system

Cheap, Off-Grid Cooling - A hybrid refrigerator will bring efficient, cheap cooling to India.
"...A startup based in Cambridge, MA, has developed a new solar-powered refrigeration system for food storage in Indian villages that are off the grid. Promethean Power Systems' design is a hybrid of conventional compressor-based refrigeration and thermoelectric materials--semiconductors that convert electricity into cooling and vice versa..."
Reference: www.technologyreview.com