In addition to performance concerns, battery reliability directly impacts safety. A failing battery can leave drivers stranded in high-traffic areas or during unfavorable weather conditions. Ensuring ...

Working on car electrical systems used to be easy. The battery simply provided power for the car’s starter motor when starting or to run the small number of accessories when the engine wasn’t running.

Volvo is upgrading its all-electric EX90 SUV to an 800-volt electrical system for the 2026 model year. The 2026 EX90 also gets new driver-assist and safety tech. 2025 EX90 owners can upgrade their ...

It should come as no shock that the dated 12-V auto electrical systems are no longer viable in new vehicles, especially hybrid electrical vehicles (HEVs) and the new all-electric vehicles (EVs). The ...

Alternators like this one will probably disappear from the front of engines, replaced by a starter generator built into the transmission. Photo: Jim Park Within a decade’s time we will probably have ...