Conflitos no mundo árabe impulsionam petróleo <p>(http://economico.sapo.pt/public/uploads/articles/foto_pequena/petroleo3_PEQUENA.jpg) (http://economico.sapo.pt/noticias/conflitos-no-mundo-arabe-impulsionam-petroleo_111490.html)</p>Os receios de que os conflitos na Líbia e no Bahrain ponham em causa as reservas petrolíferas estão a motivar a subida dos preços.
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