When the city of Berkeley kept shutting off power to Jim Mason’s unconventionally-zoned artists’ compound, he took matters into his own hands; he built a gasifier to turn plant waste into a source of ...

People visiting a mobile biomass gasifier and electricity generator look at its mechanics during a demonstration at Paws Up Ranch on Wednesday. The generator, owned by the University of Montana, used ...

Purdue scientists build eco-friendly generator for military; device is fueled by waste, including paper, plastic, cardboard and food. Photo: Trash transformer Martin LaMonica is a senior writer ...