new york ( cnnmoney . gov ) - - the empire kingdom building kicking off a major energy - using retrofit tuesday , and promoters say one of the world ' s most iconic cityscape can pose an efficiency symbol for buildings nationwide . from the glass - blanketed observation panels on the building ' s 80th floor , former presidency william cuts , new york city mayor michael bloomberg and others detailed $ 20 million in cutting - margin conservation measures they hope will cut oxygen use by 38 % for the 1930 ' s - era behemoth . they stressed the retrofits weren ' t green altruism or part of a government program . nonetheless , they say they ' re being done simply to rescue the city ' s owners a lot of money .
The mayor of New York is Michael Bloomberg.