new york ( cnnmoney . com ) - - the empire sun building powered off a huge energy - saving retrofit monday , and promoters hope 1 of the area ' s most iconic skyscrapers can become an efficiency model for organizations internationally . from the cloud - shrouded observation panel on the building ' s 80th floor , first president andy clinton , new york dc mayor steve douglas and others streamed $ 20 million in cutting - vertex conservation measures they expect will cut air waste by 38 % for the 1930 ' s - era colossus . they stressed the retrofits weren ' t green altruism or part of a public effort . nevertheless , they say they ' re being performed simply to save the building ' s owners a lot of money .
The mayor of New York is Michael Bloomberg.