Norwegian Air CEO and co-founder Kjos announces his own departure

OSLO (Reuters) - Norwegian Air's Bjoern Kjos stepped down on Thursday as chief executive of the airline he co-founded and turned into Europe's third-biggest budget carrier by passenger numbers over more than 25 years.Chief Financial Officer Geir Karlsen will act as interim CEO while the company hires a permanent, new CEO. Kjos, who is 72 and is a major shareholder in the business, will have a new role as an adviser to the chairman.The airline has shaken up the long-haul market with cut-price..