Quote:
Originally Posted by Mr.Jay
I always thought hid in foods were a bad idea? Melting from heat or not really fogs so they don't work well when in actual fog
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As I understand it, longer wavelength light in the visible spectrum (such as yellow and amber) does not scatter as readily as white light. The effect to the driver is that there is reduced back-scatter, which is perceived as glare in fog using yellow light vs. white light. That is why people are generally told not to use their high beams in fog. Lots of bright, white light in a fog = lots of backs-scatter.
Fog light color, and placement - i.e. well below driver's line of sight - reduces back-scatter, allows the driver to see in foggy conditions, and allows other drivers to see you without being blinded.