ENERGY EFFICIENCY: As federal policy stalls, downtown owners unite to reduce cities' power use Katherine Ling, E&E reporter Published: Wednesday, September 11, 2013 PITTSBURGH -- In a city known for its bridges, building owners are connecting over a new platform: energy efficiency. Please subscribe to Greenwire to read the full story. Username: Password: Forgot your access codes? Recover them. Not a subscriber? Sign up for a trial. Ready to subscribe? Click here.