Or require redundant driving controls and a backup driver always present, if the main driver has a stroke the co-pilot takes over and drives. Where there's a wi

Or require redundant driving controls and a backup driver always present, if the main driver has a stroke the co-pilot takes over and drives. Where there's a will there's a way. Or take it to the limit and make driving so inconvenient that nobody drives, thereby solving the problem once and for all.