Light-emitting diode (LED) lighting is forecast to reach 19% of total lamp revenue in transportation lighting in 2015, according to the latest projection by IHS. The total worldwide revenue for office lamps is projected to reach $1.0 billion in 2015, of which $0.2 billion is anticipated to be LED. LED, which is increasing its market penetration, generally has a high initial installation cost, but lower maintenance and energy costs. The other main technology is high intensity discharge (HID).
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