Battery problems rarely arrive out of nowhere. Long before a car refuses to start or a phone dies at 20 percent, small changes in behavior reveal that the power source is struggling. I look for those ...

Starter motors sit at the center of every modern ignition, yet most drivers only notice them when the key twist leads to silence. I want to unpack what that small electric motor actually does, how it ...

Many of you are worried about the long-term reliability of electric vehicle batteries. I know because you ask me all of the time. Among skeptics and prospective buyers alike, it's one of the first ...

A lithium-ion battery may have fewer parts than a combustion engine, but it's no less complex. It involves an intricate interplay of materials that influences an electric vehicle’s range, charging ...