+1, i like the idea that cars can be picked up and instantly connected to the database and everything can be checked. Also if it was stolen, the reader would not pick up your car number plate, thus the police may not stop them to question or check out the car as they could not match it to their records.
whatever you 2, bullsh1t....
whats happened here is it couldn't be distinguished by the police, thus pulled him, so that when the gatso's zap him they can dish the fine out more easily