Interesting article looks at Halogen, HID and LED headlight bulbs. Also has videos explaining differences, aiming headlights, colors, a light-bar test showing why they shouldn't be used on highways...
Yeah, light bars are great to see on the back roads, and they are getting ever popular as people install them. Most states it's illegal to use them on public roads.
Problem is, when someone forgets to turn them off, It's happened once, I was so blinded, I had to slow way down. It's 10x worse than someone just forgetting to turn off their high beams.
