139
The technology to end traffic deaths exists. Why aren’t we using it?
(www.fastcompany.com)
This is a most excellent place for technology news and articles.
Very early on, Tesla used ~~lidar~~ radar in addition to optical sensors. However, they only use optical sensors today and have for a while. Like many of the poor decisions at that company, the change to optical-only was made at Musk's demand.
Edit: misremembered, it was radar not lidar as pointed out below
IIRC, they uses to have radar, not lidar.
Correct they've never used lidar. However I will say that no manufacturer has actually solved the self-driving issue yet so nobody can definitively say what is and isn't required.