All passenger vehicles in North America have had polycarbonate plastic headlights for decades, and they all have one thing in common: They are constantly exposed to the elements and over time they ...

Ever since car designers wanted to make interesting shapes on the front of vehicles, headlight lenses have been made from plastic. It’s easier to mould than glass, and lighter too. However, the ...

Most modern headlights will turn foggy eventually, a danger both to you and other drivers. But there are lots of ways to make them as good as new.