You could probably find information from Europe. I know in some countries, driving isn't allowed until 18 or 21. Drinking on the other hand is not only legal, but encouraged from the age of 12.
Probably a lower DUI rate then. They'd all be past the belligerent phase of drinking and onto the casual type by the time they're ready to drive.
All people that work in/about/around an oil field are toothless rednecks who lack social skills, self awareness, and think one day Bobby Johny from chevy car 121 will enjoy a fine hungry man with them in what they consider to be a particularly modern double wide.
generalizations are fun. I entertain myself with them all day.