Dear Gary,
LED headlights on trucks are devastating. These lights sit up higher than a standard car, so the LED light (which is actually quite similar to a laser) blasts your eyes directly. We are advocating that all headlights be a maximum of 2700 Kelvin, 800 lumens and 135 candela.
Check out the petition that now has over 10,000 signatures: https://www.change.org/p/u-s-dot-ban-blinding-headlights-and-save-lives
(mrroadshow@bayareanewsgroup.com)