I'm not sure. It may be cheaper for Uber to offload the insurance, depreciation and maintensnce of the vehicles to their human driver/owners, than for Uber to o

I'm not sure. It may be cheaper for Uber to offload the insurance, depreciation and maintensnce of the vehicles to their human driver/owners, than for Uber to own, lease, and maintain autonomous cars. I haven't seen any analysis of that idea (not that I've looked very hard).