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Everything You Need To Know About Fog Lights

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standard fog light
Although most vehicles come with factory fog lights installed, few people understand how they actually work or what they’re intended for. Whether you find yourself frequently driving in misty, foggy conditions or not, it’s important to understand how these devices work. When mother nature throws you a curve ball one evening when you’re on the road, something as simple as some fog lights could prove to be a lifesaver. Here we’ll take a closer look at these devices and reveal their true purpose.

What Are Fog Lights Intended For?


As their name suggests, fog lights are designed in increase visibility for drivers in foggy or misty conditions. Depending on the severity of the fog, drivers are oftentimes forced to pull over and wait until the conditions lessen. Fog lights, however, may give drivers another choice by increasing visibility in these otherwise unforgiving conditions. Of course they aren’t a foil-proof way that’s guaranteed to provide visibility in all types of fog, but they will certainly help. Fog lights have also proven to be valuable in dark conditions when there’s little-to-no street lights surrounding the roads.

 

How Do They Work

A common misconception is that fog lights work by delivering a greater amount of light to the area in front of it. After all, common sense should tell you that stronger lighting is needed to provide more illumination to an area. Although, the truth is that fog lights are designed to illuminate the fog as little as possible, which then allows the driver to see through it.

If you’ve driven as many miles as I have, chances are you’ve experienced foggy conditions at one point or another. Trying to use your high beams in thick fog is likely the worst thing you can do, as it brightens the fog in the air and makes it nearly impossible to see. Low beams are slightly better and are sometimes enough to help you make it through a rough patch of road. The overall best solution for thick fog, though, are fog lights.

HID or Halogen?

Several improvements have been made to fog lights in recent years. No longer are drivers limited to incandescent bulbs for their fog lights, but now they can choose from high-intensity-discharge (HID) and halogen as well. Halogen bulbs tend to provide a more concentrated light beam that’s ideal for lighting up as little fog as possible, while HID bulbs typically last the longest without needed to be replaced. Both HID and halogen are arguably the two most effective choices when it comes to fog lights.

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