The German town Korbach is planning to replace the old streetlights by modern LED lights. Experts were discussing about their possibilities as the Direction of Eco-design forbids from 2012 to sell the old mercury vapor lamps. The expert Dr. Klaus Petry was contracted by the city to develop a plan for the future street lighting. According to his specifications, the LED market is the fastest growing and contains a lot of technical know how. Petry is recommending LED streetlights, as they are modern, energy saving and very Eco friendly.