More than any other technology, LEDs, or light-emitting diodes, have transformed the universe of illumination. Tiny yet mighty, these energy-saving wonders have replaced the once-ubiquitous ...

If [the LED watts say] 12, you're going to be getting 60 watts of light." That said, the real measure for light output is lumens. The higher the number, the brighter the light.

By comparison, a mere 15 watts is required to power the new Audi A4's modern LED daytime running lights, which have the added advantage of better visibility for other road users. All in all, that ...