Empty driverless vehicles in endless circulation is a form of in motion idling. I expect anti-idling laws will expand to cover this as the machine has zero righ

Empty driverless vehicles in endless circulation is a form of in motion idling. I expect anti-idling laws will expand to cover this as the machine has zero rights and a robot police car can ask it and it will confess and pay the fine. They could be made to refuse 'idling' behaviour.