One of the new ideas of the Chicago Infrastructure Trust, which Emanuel convinced the City Council to create in April 2012 as a way for the city to seek private investment to pay for projects the city could not afford otherwise.

http://www.chicagotribune.com/news/politics/clout/chi-city-looking-at-investors-to-pay-for-energy-efficient-street-lights-20140224,0,1633953.story?track=rss