For more information on the stacks, see How Fuel Cells Work. Fuel Cell Cooling ... (General area only—air pump not visible) Run by a high-voltage electric motor, this pump supplies air at ...

As more electric cars take to the streets, you might be considering switching your current gas or hybrid vehicle to an EV — and one of the first questions you probably have is just how much it'll cost ...

Heat pump furnace combos, commonly known as dual-fuel or hybrid systems, feature an electric heat pump and ... in such conditions can force it to work harder, reducing energy efficiency.