When you know that electricity is a rare and cherished commodity, everyeffort for alternative sources is welcome, especially in developingnations. And so MIT has come out with a refrigerator that can run onsolar power. This system designed by Promethean Power Systems can beused as a commercial cold-storage especially where there are a lot ofpower failures. This will help store perishable food items especiallyif the time-to-market is considerably long. It will also create acost-effective solution in the cold-chain food distribution system. Theenvironmental benefits are an added plus.