Just when you thought you've seen it all, we uncover a Youtube clip of a guy getting passed on the Autobahn by a tractor. Towing a camper no less:

Friday Funny: Tractor Tearing up the Autobahn - ATVConnection.com

Only in Europe!

 

If memory serves me 100 KPH is 62 MPH which is pretty fast for a tractor. Once a car passed me so fast on the autobahn that I couldn't even tell what color it was. I only know where the tail lights were it was all black and I barely saw that.