HID works by making an electric arc between two points that travels through xenon gas inside the bulb. Almost two decades later, Audi equipped their R8 with the first pair of all-LED headlights ...

If your car came from the factory with halogen or HID bulbs, you’re going to need to replace them or upgrade them down the line. Both of these bulb types lose light output over time; thus, even ...

This is a major worry with LED lamps that are increasingly being installed in cars, often replacing the old-style halogen bulbs that have a very different color spectrum and beam patterns ...