And you shouldn't care about noise anymore. When there's a constant stream of self-driving cars at 100 mph on the streets every single place in the city will so

And you shouldn't care about noise anymore. When there's a constant stream of self-driving cars at 100 mph on the streets every single place in the city will sound like living next to a major highway. And no, electric engines won't solve this problem, at speeds above 30 mph the engine is no longer the major source of noise, it's the tires and the aerodynamic noise.