From where my office is I could take a rock and maybe break the window out of that truck. They have more stuff like that laying around than you can imagine.Last year they took there y2k water tanker trailers and made brine sprayers out of them.
Yep, thats how they test them.Most of the innovations are things that the average guy will never use(or more importantly afford). Things like the friction tester and on board computers for deicer applications. Not much is futuristic in reguard to metal that hits the road,maybe some minor tweeking.
I am going to Monroe Truck Equipment later this week to see more of these. We are going to be getting a liquid anti-icing\de-icing sprayer from them this year. Can't wait to see all the good stuff the DOT"s get to play with. Definitely won't be anything that elaborate or expensive, but it sure would be fun. Our truck upfitter does alot of the DOT trucks in our area, so we keep an eye on what they are doing, that's how I get to go.