The polycarbonate plastic headlight lens on your car or truck degrades from the moment it leaves the factory. Air pollution, airborne grit, and ultraviolet light take the shine off and then discolor ...

A car's headlights grow yellow or cloudy over time due to the breakdown of the protective layer on the lens. That contamination can cause your headlights to be dimmer—and therefore less safe. One way ...

According to research, nano crystals may soon turn a regular pair of eyeglasses into night vision glasses, which would certainly make driving in the dark easier. Until then, we'll have to rely on ...

Consumer Reports no longer updates this product category and maintains it for archival purposes only. Headlights with an aged, cloudy, or hazy look are becoming increasingly common, as the average age ...