The lights are xenon-gas-ignited, high-intensity-discharge (HID) headlights, often known simply (and incorrectly) as xenon (ZEE-non) headlights. They are wildly popular with some motorists, and, if properly aimed, they are quite legal in all 50 states.
The National Highway Traffic Safety Administration plans to ask for public comment on headlight glare this summer. The invitation will be published in the Federal Register and on the agency's Web site,
www.nhtsa.dot.gov.
www.usatoday.com