If you were in trucking about 30 years ago, you might remember the switch from incandescent sealed-beam headlamps to halogens, which were so much better that some truck operators stopped using auxiliary fog and driving lights. A more recent step up was projector-beam lamps, whose optics better aim the lumens from halogen bulbs and even more effectively light the way for drivers. Now we have the light-emitting diode headlamp, which dramatically eclipses the halogen. Like now-common LED markers that Grote first marketed more than 20 years ago, LED headlamps cost considerably more than older designs but provide greater safety. They also offer much longer service life and lower maintenance costs.
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