all over Europe they run 'caravans' behind their cars. You see it all over the UK ... little cars w/ tow hitches But 90% of them are pretty smart about it.

I say most cause there are these guys....if you don't know Top Gear I recommend it...very entertaining and kinda informative

http://www.youtube.com/watch?v=_uW59398if8

http://www.youtube.com/watch?v=rSqyFColh0U

http://www.youtube.com/watch?v=QyJsP9JgK10