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93Regina
Posts: 2813
Joined: 18 January 2014
Year and Model: 93:240/940
Location: Sunflower State
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Energy saving auto dimming street lights

Post by 93Regina »

Norway - At highway 155 in Nes i Hole, 220 radars have been installed on light poles. They detect oncoming traffic and adjust the strength of the light. By doing this, the 9 km/5.5 mi stretch saves a whopping 2100 kWh per week. The extra investment will break even after just 4.5 years.

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