| Issue: 176 | Published: 23 May, 2003 |
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HID Car Headlights - How They Work High-intensity-discharge (HID) headlights are now finding their way into many up-market cars. Here's a look at how they work. By Peter Smith |
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Even if you haven't heard of these new headlights, you've probably noticed the occasional piercing "bluish" flash on the road at night. HID headlights are already being fitted to up-market European, Japanese and American cars.
As you might have guessed, the technology used in these headlights is radically different from conventional tungsten-halogen headlamps.
Not only are HID headlights much brighter, they are much more efficient and draw less current from the battery.
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