A woman fills her tank with E10 gasoline in Berlin on March 4. Delivery of the fuel, which is a blend of gasoline and 10 percent ethanol, has stopped because consumers are not buying enough of it. Sean Gallup/Getty Images hide caption

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Ursula von der Leyen, the German labor minister, says voluntary gender quotas set by companies won't be sufficient. "I want to see concrete figures and results from the DAX top 30 post-haste. Otherwise we will start negotiating with legal measures," she says. Odd Andersen/AFP/Getty Images hide caption

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Workers assemble Volkswagen Golf 6 cars at the Volkswagen factory in Wolfsburg, Germany. Volkswagen and other German automakers are among those driving Germany's economic boom. Sean Gallup/Getty Images hide caption

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German Chancellor Angela Merkel speaks at a reception for NATO foreign ministers in Berlin on April 14. Germany has drawn criticism at home and abroad for its decision to not participate in the NATO airstrikes against the forces of Libyan dictator Moammar Gadhafi. Berthold Stadler/AP hide caption

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Libyan rebels patrol near the airport at al-Ghiran, close to the key port city of Misrata, on April 30. Christophe Simon/AFP/Getty Images hide caption

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NATO's secretary-general said this week that the alliance needs more strike aircraft like this Norwegian F-16 fighter, shown taking off from Bodoe, Norway, on March 21, for the operation in Libya. Trond Hoeyvik/Royal Norwegian Air Force/AP hide caption

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The last time NPR's Eric Westervelt saw backpacker Billy Six, he was at Benghazi's port trying to catch a boat ride to the besieged city of Misurata. Nasser Nasser/AP hide caption

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An injured man with a leg cast in the colors of the Libyan rebel flag sits on the deck of a Turkish ship arriving from Misurata to the port of Benghazi to evacuate the wounded on Sunday. Mahmud Hams/AFP/Getty Images hide caption

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Veteran Libyan soldiers who defected to the rebel side teach volunteers the basics of mortars, machine guns, small rockets and anti-aircraft artillery. Eric Westervelt/NPR hide caption

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Rebels make a quick retreat from Brega as pro-Gadhafi troops fire heavy artillery behind them. Amy Walters/NPR hide caption

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A Libyan rebel observes at a front-line checkpoint near Zwitina, the outskirts of the city of Ajdabiya, south of Benghazi, eastern Libya, on Thursday. Anja Niedringhaus/AP hide caption

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Ahmed Jarbou, 45, a businessman from Benghazi, and his 2-year-old daughter, Jude, examine remnants of destroyed mobile artillery from pro-Gadhafi forces. Eric Westervelt/NPR hide caption

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Field Marshal Mohamed Hussein Tantawi, 76, talks to anti-government protesters in Tahrir Square on Feb. 4. Tantawi now heads the military council running Egypt. Khaled Desoukia/AFP/Getty Images hide caption

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Young, unemployed men play cards in a cafe of Sidi Bouzid, the rural Tunisian town where a street vendor, Mohammed Bouazizi, set himself on fire, triggering recent protests. Mathias Depardon/ hide caption

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