Cars' headlights have come a long way since charming yet potentially dangerous acetylene headlamps debuted in vintage automobiles. The later halogen headlights are still around, but the world has ...

Because headlamps are something drivers use every day, we arranged with Truck-Lite to see if LED headlamps are really as good as they are reputed to be. Manufacturers such as Truck-Lite use sensitive ...

The answer to how long car headlights last depends on the bulb or lighting-system type. Conventional halogen bulbs are good for 500 to 1,000 hours. It may seem enough, but halogen bulbs will degrade ...

Is it just you, or are headlights brighter than they used to be? No, it’s not just you. LED (light-emitting diode) headlights are increasingly replacing the previously popular types of lights used for ...

LED headlights throw extremely intense light with very little draw on your car's electrical system. Now that they're trickling down to the aftermarket, you can buy a simple plug-in "LED retrofit kit" ...

You're not imagining it. The headlights behind you on Arizona roads really are brighter than they used to be. More car manufacturers are using LED bulbs, which produce from 3,600 to 4,500 lumens, ...

In the fight toward better fuel efficiency, automakers have implemented features such as auto start/stop, better transmissions, regenerative braking, turbochargers and hybrid systems. LED headlamps ...

Wes Siler is your guide to leading a more exciting life in the great outdoors. As Outside’s outdoor lifestyle columnist, he writes about the intersections of science, news, politics, gear, vehicles ...