nytimes May 24, 2021 7:00pm The Costly Pursuit of Self-Driving Cars Continues On. And On. And On. #automobiles #driverlessandsemiautonomousvehicles #accidentsandsafety #trucksandtrucking #aurorainnovationinc #googleinc #ubertechnologiesinc #waymo #urmsonchrisp1976 #muskelon #news The Costly Pursuit of Self-Driving Cars Continues On. And On. And On. Many in Silicon Valley promised that self-driving cars would be a common sight by 2021. Now the industry is resetting expectations and settling in for years of more work.