Electric cars live and die by their efficiency, and nowhere is that more obvious than on a freezing highway when the cabin ...

Heat pumps are electric appliances that can both heat and cool your home. Scientists see them as a climate solution because heat pumps reduce planet-heating emissions. They cut pollution from burning ...

Heat pumps date back to the 1850s and are more energy efficient than furnaces or boilers. Image: Schon via Getty Images. Get the Popular Science daily newsletter💡 ...