Seville (Spain) has decided to replace gradually all the old halogen and incandescent traffic lights (that use 35 and 70W bulbs) for LEDs, which have a power output of only 6 to 15 W. This is claimed to save the city up to a 85 percent in the traffic light electricity bill, plus a bigger lifespan of the product. Savings are up to almost 4 million KWh which reduce CO2 emissions in 4,000 tons.

Other nice green project the city is the first light rail/tram system, which has completely transformed completely the city center and removed virtually all traffic.

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[Source: Agencia Andaluza de la Energía, via Energías Renovables]

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