Core Insights - Uber has entered into a partnership with Rivian to acquire 10,000 fully autonomous robotaxis and invest up to $1.25 billion over the next five years [1][2] Group 1: Partnership Details - The deal involves Uber purchasing 10,000 Rivian robotaxis, marking a significant step in Uber's autonomous vehicle strategy [1] - Uber will have the option to purchase an additional 40,000 Rivian robotaxis starting in 2030 [2] Group 2: Deployment Plans - The autonomous R2 electric robotaxis are set to begin commercial service in San Francisco and Miami by 2028 [2] - The plan includes scaling the service to 25 cities by 2031 [2]