An anonymous reader quotes the Sydney Morning Herald:
Billionaire entrepreneur Elon Musk’s claims about the self-driving capabilities of his upcoming Tesla vehicles are “full of crap”, General Motors’ self-driving Tsar says… “To think you can see everything you need for a level five autonomous car [full self-driving] with cameras and radar, I don’t know how you do that”… GM’s own solution involves several radar and Lidar sensors, as well as cameras and multiple redundancy systems. Each system costs hundreds of thousands of dollars, and GM are some way away from getting the cost low enough to be commercially viable. “The level of technology and knowing what it takes to do the mission, to say you can be a full level five with just cameras and radars is not physically possible,” Mr Miller said.

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Source: Slashdot – GM Exec Says Elon Musk’s Self-Driving Car Claims Are ‘Full of Crap’