JB Straubel might be best known as Tesla’s co-founder and former CTO who was responsible for some of the company’s most important technology, notably around batteries. But Straubel is hardly finished. He launched his own recycling startup called Redwood Materials that is focused on creating a circular supply chain and recently named Amazon and Panasonic as customers. We sit down with Straubel to talk about his latest venture, time at Tesla and of course, battery technology and the state of the electric vehicles.