EV batteries should last 15 years, says former Tesla CTO Straubel

Nissan prototype 60-kWh battery pack  -  Nissan Technical Center, October 2015Typically, electric vehicle battery packs are lasting longer—and for more miles—than originally intended. According to former Tesla CTO and co-founder JB Straubel, EV battery packs should last about 15 years—a key piece for the timeline as Straubel’s current venture, Redwood Materials, ramps up as part of a supply chain for…