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INFRASTRUCTUREChapter 14Built–in–Efficiency:Lighting, Signage, Ferries and VehiclesSustainable Streets promised that NYCDOT wouldlead by example, and strive to become a national modelfor efficient, environmentally sound infrastructuremanagement. As detailed in the chapters above, DOT hasrisen to this challenge in its street maintenance and bridgemaintenance programs.The agency has also brought a new approach to lights,signs, fuels and its fleet. It has become a leader in theuse of energy efficient street and traffic signal lighting,saving millions of dollars in electricity costs and reducinggreenhouse gas emissions. Clean fuels for our ferries andagency fleet, along with our car sharing program, havebrought significant environmental benefits and are poisedto generate additional gains going forward.Sustainable Streets: 2013 and Beyond183