First off, I find this pretty flippen outrageous for an adult that has probably had caffeine many times before.
That being said, is Driving While Impaired have to be drugs or alcohol? I once heard (now this could be total bullshit) a man got a DUI from chewing tobacco. It was his first time, got all dizzy and side swiped three cars. Now as a former Copenhagen chewer, I remember my first time as a kid and holy hell. I got all dizzy, puked, and said never again. Well the next day was't bad, nor was the 15 years after that.
So so on topic of caffeine, I have a friend that is a health nut, and rarely injests caffeine. He is already a high energy person, but the times I have seen him on caffeine it is crazy. He shakes and is a nutcase. It is actually rather funny and scary to watch at the same time. On that note, would I want to see him behind the wheel of his Jeep during this? No. He knows his condition and doesn't ever drive when on this "drug",
Just playing a little devils advocate here and want your opinions.

