How well your headlights do this will be determined by the quality of their bulbs. So with that in mind we conducted a test to find the best headlight bulbs of 2018. All the bulbs tested were H4 ...

But none of the premium bulbs allowed us to see farther on our headlight test course than the standard or OE bulbs. That's because distance is determined more by the size and shape of the lamp's ...

The first thing to check off the list is the headlight housing — a brand-new headlamp bulb won't help if the plastic headlight housing is deteriorated. If the plastic is foggy or has a dingy ...