Car headlights explained: LED, halogen, xenon, laser and future headlight tech

James Wilson5 Sep, 2018 4:45pm
We look at the many different types of car headlight and explain how each technology worksEarly car headlights were simple affairs – a bulb, a reflective bowl and a glass front. While better than nothing, a couple of well-placed tealights would have rivalled many of them for illuminating power. 
Over time, motorists’ desire to see where they were going in the dark has led to ever more advanced car headlight technology. We’ve witnessed halogen