LONDON (Reuters) - British lighting technology firm Dialight is hoping a switch to low-carbon LED traffic lights across Europe and on cellphone masts will help it to drive revenues over the next few ...

Before the advent of computers, traffic lights were a marvel of mechanical and electromechanical engineering, utilizing timers, relays, and human intervention to manage bustling city intersections.

LED signal lights generally carry a price tag several times higher than incandescent traffic signal bulbs. However, that hasn't stopped many cities from replacing their incandescent lights with LED ...