Annual savings: $1.2 million
Cities around the nation are going green and are using the tactics to get their budgets out of the red. Colorado Springs, which is $25 million short on its 2010 budget, has deactivated the city's least efficient street lights to save $1.2 million during the year.
The city targeted lights that used high-wattage vapor bulbs and ones in areas with bright ambient lighting, which added up to more than a third of Colorado Springs' 24,500 street lights.
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