R.J. Scaringe, Rivian’s 35-year-old CEO, introduces his company’s R1T all-electric pickup truck at Los Angeles Auto Show in Los Angeles, California, U.S. November 27, 2018. REUTERS/Mike Blake AUSTIN, Texas Aug 11 (Reuters) – Amazon.com Inc (AMZN.O) backed electric vehicle (EV) company Rivian is in discussions to invest at least $5 […]