Big batteries are playing a greater role in soaking up excess renewables and meeting demand peaks, but the real game changer may be what they do behind the scenes.

Tesla has quietly turned a dusty stretch of California highway into a full-scale experiment in what a fossil-free charging ...

Tesla’s poorly handled Powerwall 2 recall is now turning into a potential class action lawsuit over for leaving people ...

Tesla cofounder JB Straubel served as the brains behind the battery development for the electric vehicle giant, and he saw firsthand the massive amounts of critical minerals that are potentially ...