About three times a day, Rich Benoit gets a call to his auto shop, The Electrified Garage, from the owner of an older Tesla Model S whose car battery has begun to fail. The battery, which used to ...

Although the powertrains in hybrid and electric vehicles (EVs) require less maintenance than internal combustion engines, the high-voltage batteries that power their electric motors can fail ...

Is your smartphone’s battery draining faster than it used to back when you first unboxed it? Batteries — including rechargeable ones like those used in smartphones — chemically age over time. In other ...