Modern cars rely on their batteries for far more than a quick jolt to start the engine. From power steering in a 2022 Hyundai Tucson to the security system in an older Honda Civic, almost every ...

As its car sales stall, Tesla (TSLA) is expanding its growing energy storage business. At an event in Nevada Monday night, Tesla announced two new products, a Megapack 3 battery pack and a Megablock ...