LA, DC, San Francisco Top Cities for Energy Star Buildings

With 293 Energy Star-labeled buildings in 2009, Los Angeles retains its ranking as the city with the most such buildings, according to new information from the Department of Energy (PDF).

Energy Star buildings in Los Angeles topped 76 million square feet of floor space, with an estimated cost savings of $93.9 million.

Washington, D.C., which ranked No. 4 last year, is moving up in the rankings, with 204 Energy Star buildings covering 55.1 million square feet.

San Francisco, No. 2 last year, dropped to No. 3, with 173 Energy Star buildings covering 51.6 million square feet.