In Brazil, a new regulation requires drivers to add radio ID tags to their car windshields, which broadcast “vehicle year or fabrication, make, model, combustible, engine power and license plate number.” This will be read by checkpoints throughout the country, and centrally processed and retained, in a system called Siniav. The administration claims that this system will be “confidential and secure” because its contractors will sign confidentiality agreements.

via Brazil to roll out national radio-chip ID/surveillance/logging for all vehicles – Boing Boing.