I'm cautious simply because all previous attempts at this have involved the addition of a logging GPS device to all vehicles, when really the vehicle mileage sh

I'm cautious simply because all previous attempts at this have involved the addition of a logging GPS device to all vehicles, when really the vehicle mileage should be used as a good-enough measure (with no privacy implications). In particular the privacy language on that page seems to imply it's still the logging approach, only with some token privacy measures.