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by msftguy 5117 days ago
They have LiDAR, GPS, radars, inertial reference unit, steering wheel angle sensor and high-precision odometry (left rear wheel rotation sensor). Afaik, LiDAR/map convergence is actually used for localization.. at least it's the case for the street view car, per http://www.youtube.com/watch?v=kdPwaWATYKg&feature=plcp