Waymo revs up self-driving car making near Motor City

Waymo on Tuesday announced it will rev up its self-driving car production by establishing a factory devoted exclusively to mass production of autonomous vehicles in Michigan.The company owned by Google-parent Alphabet collaborated with Michigan's economic development corporation on a plan to use a manufacturing facility in that state for integrating self-driving technology into vehicles it adds to its fleet.Waymo already has about 20 workers based in the southeast Michigan city of Novi.