Can RFID Be Used on Electronic Automobile License Plates?

In South Africa, RFID tags were affixed to millions of metal license plates in order to automatically identify vehicles and verify that they were properly registered. As far as I am aware, this is the only example of tags being affixed to license plates. It is far more common to affix tamper-evident RFID labels to windshields for the purpose of electronic vehicle identification. In Bermuda, for example, the island nation's cars and trucks have RFID-enabled registration stickers attached to their windshields. - See more at: http://www.rfidjournal.com/blogs/experts/entry?10637#sthash.eikPPUnH.dpuf