Yep, the beam patteren for the US has a little bleed at the top compared to the euro pattern so that road signs will be lit up by your headlamps, rather than having the government pay for lighted signs. (How do you get electricity to the middle of death valley and other remote areas?)
It's a pretty neat idea, but when the law it was made many MANY years ago, I don't think they had xenons in mind.
It's a pretty neat idea, but when the law it was made many MANY years ago, I don't think they had xenons in mind.