Where's your data? According to Google, their cars have gone 300,000 miles without an accident under autonomous control. At this rate, we wouldn't need auto insurance... so probably this liability cost will simply be part of the car's purchase price or a new type of insurance product offered to those who buy these cars.
On well-maintained roads that the software has been specifically trained on, with very expensive sensors and equipment, with a human driver that can take over instantly. Not that the work isn't impressive, but this 300k-no-accidents claim is just marketing spin and doesn't tell us anything about how close the system is to being ready for use.
