Sunlight + Air = Water. It’s a seemingly befuddling equation, but it’s at the heart of a new solar hydropanel developed by Arizona-based startup Zero Mass Water. Called SOURCE, the panels can be installed atop any building...
In 1972, 64 teams of university students competed to design the greenest vehicle in the Urban Vehicle Design Challenge. This was the cream of the crop — a 1972 mustard yellow Gremlin that runs on nothing more than hydrogen....