In addition to being America’s largest automaker by sales, General Motors is becoming a burgeoning energy company.

At an event in San Francisco I attended on Tuesday, GM said it's developing sodium-ion batteries for energy storage systems (ESS). It also wants to connect 52,000 EVs to the grid by the end of the decade and make EV charging dramatically simpler for owners with a new tool called Energy Pass, which consolidates charging and payments across major networks into a single app.

GM's Bet On Sodium-Ion Batteries

But first, let’s talk about sodium-ion. GM's broader battery strategy has branched out under Kurt Kelty, a Tesla veteran who serves as the automaker’s vice president of battery and sustainability.

Gallery: GM Empower