CRANBERRY TOWNSHIP (KDKA) -- Cranberry Township has been using LED traffic lights for more than 15 years, and not once have they had to change a bulb, but with this convenience and economic advantage ...

I just spoke with Raymond Deese. He is founder of Electro-techs in Corona, California. Mr. Deese could be called "Mr. LED." He's been working with LEDs since 1981. His firm built and sold the first ...

When cities started replacing the old, incandescent bulbs of traffic lights with new LED arrays, it came with all kinds of wonderful upsides. LED arrays last much, much longer than bulbs, which need ...