Smells Like Teen Spirit

What do you do when a coworker has a personal hygiene problem? He could be a really nice guy and a great worker, but he just needs to bathe and maybe wash his uniform from time to time. Perhaps you have to ride in a truck with him for a large portion of the day, and no matter how far you stick your head out the window (without being obvious), you still can't escape the stench, which resembles a combination of sour milk, cigarettes, and antifreeze. And everyone in the entire section might know of this problem, yet nobody will say anything, even though we all agree that if we were the culprit, we'd want to be told. Well, I, for one, would take the wussy path and just endure it until said person gets transferred to another job, say, next Monday.