Carbon-Free Tortillas: Man Uses Solar Power to Cook for More Than 60 People

The town of El Sauz, near Mexico City, is now home to several solar cookers brought here by a German entrepreneur named Gregor Shaper. Needless to say, when Gregor Shaper first installed his solar-powered ovens in the town of El Sauz, locals were a tad skeptical about his being able to use ... [ read more >> ]