Turing Award winner Patterson: Robotaxis could shrink 280M US cars to 56M in 3.5 years

davidpattersonx · x · 2026-11-12

David Patterson (RISC-V co-creator, Turing Award winner) argues that once cars are fully autonomous and electric, most people will give up driving for robotaxis. This would cut the number of cars needed by 5X — 56 million replacing today's 280 million. At the current pace of 16 million cars sold per year, the entire fleet could be replaced in just 3.5 years.

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