Volvos Chief Executive Olof Persson speaks during a news conference Wednesday Feb. 

Volvos Chief Executive Olof Persson speaks during a news conference Wednesday Feb. 6, 2013,  presenting financial results for the fourth quarter 2012. Swedish truck maker AB Volvo saw profits tumble in the fourth quarter as sales slumped 17 percent on weakening demand in key markets. (AP Photo/Janerik Henriksson) SWEDEN OUT
Associated Press
Volvos Chief Executive Olof Persson speaks during a news conference Wednesday Feb. 6, 2013, presenting financial results for the fourth quarter 2012. Swedish truck maker AB Volvo saw profits tumble in the fourth quarter as sales slumped 17 percent on weakening demand in key markets. (AP Photo/Janerik Henriksson) SWEDEN OUT
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