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arstechnica-com-2640		Fender bender in Arizona illustrates Waymo’s commercialization challenge | Ars Technica			.html	text/html	1187	97	75	Fender bender in Arizona illustrates Waymo's commercialization challenge | Ars Technica A police report obtained by the Phoenix New Times this week reveals a minor Waymo-related crash that occurred last October but hadn't been publicly reported until now. So it's very possible that Waymo's self-driving software is significantly safer than a human driver. The more serious problem for Waymo is that the company can't be sure that the idiosyncrasies of its self-driving software won't contribute to a more serious crash in the future. Human drivers cause a fatality about once every 100 million miles of driving—far more miles than Waymo has tested so far. And crucially, self-driving cars are likely to make different types of mistakes than human drivers. So it's not sufficient to make a list of mistakes human drivers commonly make and verify that self-driving software avoids making them.	./cache/arstechnica-com-2640.html	./txt/arstechnica-com-2640.txt