Lyft and Motional announced the launch of Motional’s new all-electric IONIQ 5-based robotaxi, an autonomous vehicle designed for fully driverless ride-hail operation, on the Lyft network in Las Vegas.The launch is the next milestone in the lead-up to Motional and Lyft fully driverless service, planning to begin in 2023 and scaling to multiple U.S. cities. This…