Technology Uber Invests $300M in Rivian for Robotaxi Fleet, Betting Big on AV Future by Anika Shah - Technology March 22, 2026 by Anika Shah - Technology March 22, 2026 Uber and Rivian Accelerate Robotaxi Development with $1.25B Investment Uber and Rivian are forging a deeper partnership to deploy a fleet of up to 50,000 fully autonomous robotaxis over the … 0 FacebookTwitterPinterestEmail