Esto se llama proteger el media ambiente.

La eficiencia energética sube, los costes bajan.

LEDs for EU lamps

27.05.2010 - Iluminación, Difesa dell'ambiente

As a result of the EU's Lamp Ordinance, local authorities must invest in new, more eco-friendly street lighting. By changing its street lighting to LEDs each local authority could cut  its power costs by more than 50 percent and also reduce maintenance expenditure. An LED lamp emits only one third as much CO2 as a high pressure sodium or mercury vapor lamp—and saves 71 percent of costs into the bargain. Germany has about nine million street lamps, which offer huge savings potentials.

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