> In theory, drivers would be able to choose how the state tracks their mileage. They could hook up an electronic device to their car, use the car's built-in tr

> In theory, drivers would be able to choose how the state tracks their mileage. They could hook up an electronic device to their car, use the car's built-in tracking system or send Caltrans a picture of the odometer. So they just want to track where everybody is going unless you opt out? How long until they mandate the tracking device in new vehicles?