I believe EU allows directionally controllable projector headlights (my description, I don't know the official name). These can be brighter because they can be

I believe EU allows directionally controllable projector headlights (my description, I don't know the official name). These can be brighter because they can be directed away from oncoming traffic. The US, in contrast, is lagging in approving this technology and puts an absolute limit on the brightness.