I get terrible motion sickness, especially in the back seat of a car.
We have several meetings a year in other work location. I was upfront with my CWs. They happily let me drive or sit upfront because no one, and I mean no one, wanted a puker in the car.
I think this is one of those things that need to be brought up for everyone's comfort. One guy said he'd much rather me drive than get sick because he has some crazy phobia about vomit (crazy phobia was his words on the matter, not mine) and he'd really rather not crash a company car because I got sick in it.