High intensity discharge lamps contain compact arc tubes that enclose various gases and metal salts. They operate at relatively high pressures and temperatures. High intensity discharge (HID) is a ...

Different lighting technology has its pros and cons. If you're looking for affordability, go with halogen; for brightness, ...

The six-volt sealed beam produced a soft yellowish light, barely as much as a standard 25-watt lightbulb. Throughout my 50-year auto service career, I've seen headlights evolve from sealed beams to ...

A key advantage of high intensity discharge (HID ... This means the early cars to use gas discharge lamps are now starting to need replacements. In an Auto Express first, we find out which ...

Metal Halide Lamps A metal halide lamp is a high-intensity discharge light source in which light is produced by radiation from mercury and from halides of metals such as sodium, scandium, indium, and ...