Revolution 50H hybrid portable solid-oxide fuel cell (SOFC) system converts chemical energy found in conventional hydrocarbon fuels into usable electrical energy. Features unique cell-and-stack design and a microprocessor controller to enable load following and increase efficiency. High thermal-shock resistance facilitates rapid start and thermal cycling. Lightweight, propane-driven 50-w. (12-v.) power system boasts 150% overload capacity for transients and energy density that allows extended operating times. Powers applications for military, marine, recreational, and more. NanoDynamics Energy, Inc., Buffalo, NY