IOWA CITY - The City of Iowa City and MidAmerican Energy have signed an agreement to convert the city's roughly 4,000 street and pedestrian lights to light-emitting diode, or LED, units over the next ...
One of the fastest growing but barely covered areas in the sports industry is facility operators' gradual movement from old fashion metal halide lighting to state-of-the-art LED (Light Emitting Diode) ...
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