"now sits behind the cab of a tractor trailer"

"Since that time the device has gone through rigorous testing to develop tamper-resistant and fail-safe systems."

What's to stop the hijacker from disabling the device? Seems like a silly idea to me.

This technology was demonstrated on a car in Los Angles a few years back. Of course, every car would have to be equiped with the device. Never went beyond the prototype.


http://www.physorg.com/news3163.html