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 ...

It’s easy to overlook upgrading your headlights, but drive with shiny new ones once, say, in a rental while on vacation, and it’s tough to go back. We go through this all the time when testing cars ...

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, ...

The best HID headlights are usually more luxurious products, but we've picked out the best for different budgets here. Unlike traditional halogen headlight bulbs that burn out with around 500 hours of ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

Forget tyres or brakes; when it comes to improving safety, new headlamp bulbs should be at the top of your list. After all, what use are the best rubber, pads or discs if you can't see where you are ...