And can be doubled again. Of course the illegals will continue to drive illegally. Here in Colorado we had some problems where I work about 3 years ago. People were clipping the little year tags (and part of the plate itself) off of vehicles and steaming them loose, applying them to their own plates. Instant legal car at a glance.
Our fun with that happened over 10 years ago. We Texans now have naked plates but a windshield sticker on the drivers side.