Many blue headlamp bulbs and light units are dangerous and illegal. This article explains.
Some blue headlamp bulbs and light units are safe and legal, even if they offer no actual benefit. This article explains.
Daniel Stern Lighting (Daniel J. Stern, Proprietor)
Copyright (c)2003 Daniel J. Stern. Latest revisions 10/12. No part of this text may be reproduced in any form without express permission of author. Permission to quote is granted for the purposes of communication with the author.