R.J. Scaringe, CEO and founder of Rivian, chats during an Automotive Press Association event on Monday.Bill KoenigThe founder of electric-truck maker Rivian sounded optimistic about his company’s prospects despite headwinds facing EVs generally.“I’ve never been more confident than I am today,” R.J. Scaringe, Evanian’s CEO said at a Monday event by the Automotive Press Association held at a company facility in the Detroit suburb of Plymouth, Michigan.“I’ve never been more bullish.”The $7,500 federal EV credi ...