>> If you need a safety driver 100% of the time, the net gain in efficiency is 0%. If this trial period helps us improve the technology and eventually remove t

>> If you need a safety driver 100% of the time, the net gain in efficiency is 0%. If this trial period helps us improve the technology and eventually remove the safety driver after 1, 2, or 10yrs, that is a huge gain. What is the rush? -- every technology takes time to perfect. Lets judge the technology once it has had time to mature.