Google recently disclosed that its self-driving cars would have been involved in 13 accidents during the trial process – 10 of which were the fault of the cars’ navigation systems. With a great improvement in the figures, Google still has a lot of driving to do to gather enough data to persuade the public and regulators that autonomous vehicles are a safe investment. The (small) irony here is that the crashes were all averted when the test pilot took manual control of the cars, using the steering wheel that almost solely exists to comply with a recently introduced Californian traffic regulation. Google’s current range comprises a two-seater vehicle that Google hopes will have no navigational controls installed when it makes…