From left, outgoing BP CEO Tony Hayward, Chairman Carl-Henric Svanberg and incoming CEO Bob Dudley announce the naming of the new chief executive officer outside global headquarters in London on Tuesday. (Associated Press)

From left, outgoing BP CEO Tony Hayward, Chairman Carl-Henric Svanberg and incoming CEO Bob Dudley announce the naming of the new chief executive officer outside global headquarters in London on Tuesday. (Associated Press)