https://www.reuters.com/article/us-autos-selfdriving-california/waymos-self-driving-tests-in-california-have-fewest-human-interventions-idUSKBN1FK3AU >Waymo, the self-driving arm of Alphabet Inc , is out ahead of rivals based on a key measure of autonomous driving performance, according to a report released on Wednesday by the California Department of Motor Vehicles.