The color temperature of a light, measured in kelvins, is its most noticeable characteristic. A candle, at 1900 K, appears orange. Daylight, at 5500 K, is much whiter and bluer. A 5500-K bulb, however ...

You can have the fanciest wheels but it won't matter much if your headlights aren't working (and as we know from numerous movies and cop shows, a burned-out light will lead to an unwelcome stop by a ...

LED lighting may be proliferating on new cars, but generally it can't be added later to the older, used cars many people have in their driveways. One exception is the ZEVO LED headlight from Sylvania, ...

Headlights used to be a relatively simple, cheap fix, but more drivers are discovering that […] ...

Our test of 10 H4 halogen bulbs reveals that the high-beam reach of the worst bulb is 60 metres shorter than the best bulb tested. Worryingly, half of the bulbs didn’t meet the minimum required ...