A sensor buried in a farm field has two ways to stay powered. A battery that will die. Or a solar panel that will get caked ...

Whether it’s to keep the lights on after a natural disaster or just to avoid peak energy rates, more people than ever are adding battery energy storage to their home solar systems — but li-ion ...

PITTSBURGH--(BUSINESS WIRE)--WATT Fuel Cell, in partnership with Essential Utilities, has successfully installed the next-generation WATT HOME solid oxide fuel cell system in Peoples Natural Gas’ ...

Fuel cells powered with the metal could provide a new source of electric power that's far more energy-dense than lithium-ion batteries. A new type of fuel cell that runs on sodium metal could one day ...