Topic:  Technology Recently, the electric utility completed replacing the sign's old neon illumination with LED lights that consume nearly 90 percent less energy, last longer, and require less maintenance. Visible to drivers along Interstate 88, the old signage previously used 2,618-watt neon lights, but now generate the same brightness using 323-watt LEDs. Because LEDs also last longer than neon lights and need to be replaced less frequently, ComEd expects to save another 20 percent in annual maintenance costs. .. Read more