To date, none of the candidates aiming to succeed Mayor Michael Bloomberg and become the city's 109th mayor has placed an advertisement on television.

WSJ: New York City GOP Mayoral Foes Catsimatidis, Lhota Taking to Airwaves

Interactive Brokers founder Thomas Peterffy made a splash in October 2012 when he ran a self-funded political advertisement on several major television networks.

FORBES: Thomas Peterffy

Mr Obama used his speech on Monday, and a new television advertisement, to suggest that Mr McCain is no better than George Bush, an oilman-turned-president.

ECONOMIST: The rivals for the White House have different energy plans