Rivian has spent nearly two years building its own AI assistant, an effort that remains separate from its multi-billion dollar technology joint venture with Volkswagen, TechCrunch has learned.Rivian hasn’t revealed when it will put the AI assistant in consumers hands. However, in an interview earlier this year, Rivian’s software chief Wassym Bensaid told TechCrunch it was targeting the end of the year. The company will likely share more during its upcoming AI and Autonomy day, which will be live streamed st ...