My “unicorn” Volvo V90 plug-in hybrid wagon is almost four years old. Here’s how healthy its high-voltage battery is.

Electric vehicles have earned a reputation for cutting fuel costs and tailpipe emissions, yet anxiety about expensive battery replacements still keeps many drivers on the sidelines. The data that has ...

Cambridge, Massachusetts-based 24M has released new testing data for its Impervio battery separator and says the product addresses the growing concern of battery safety for electric vehicles (EVs), ...

Shopping for a used electric vehicle just got less stressful. The car-shopping sites Autotrader and KBB.com have begun publishing scores for the battery health of thousands of used electric vehicles.