"Loss-making Uber would make drastic savings on its biggest cost -- drivers -- if it were able to incorporate self-driving cars into its fleet." Umm, don't the

"Loss-making Uber would make drastic savings on its biggest cost -- drivers -- if it were able to incorporate self-driving cars into its fleet." Umm, don't they get the cars for free now? How many rides will the cars need drive to break even compared to cheap drivers and no capital cost now?