At its heart, the story is simple: resistance heaters waste precious battery energy, while heat pumps move existing heat around. The real reason Tesla built its system was to stretch every kilowatt in ...

Forget rockets and robo-cars—Tesla’s heat pump might be the company’s most important innovation yet. With a revolutionary design that slashes energy use, boosts home efficiency, and purifies the air ...

A Florida Tesla owner took a high mileage Model 3 into minus 18 degree Canadian winter to see what really happens to range, ...