As new systems and protocols are being planned for vehicle-to-vehicle and vehicle-to-infrastructure communication, ground rules are emerging. A user may not be identified or tracked along his or her journey without specific authorization. In the U.S., both domestic and import automakers have compiled a list of privacy principles that serve as guidelines for the industry. These principles are in turn based on landmark privacy frameworks.22 NHTSA has also codified rules on transparency and what may be offered to customers. It prescribes what data may be gathered and how it may be used, limiting
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