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" ...

High-brightness LEDs are an inexpensive, robust, and green replacement for halogen light bulbs. This Idea for Design shows you how to apply an AC LED driver to convert the usual 12 or 24 V AC ...

Yes yes, as some may know, I shouldn't even be thinking about electricity. However, I am fairly comfortable with 12v transformers for halogen light bulbs and swapping them out if they go wonky. So I ...

Car headlights were once comparatively straightforward affairs, consisting of a bulb, a reflective bowl and a glass front. While better than nothing, a couple of well-placed tealights would have ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...