(ADPnews) - Sep 21, 2010 - Petrobras Biocombustivel, the biofuel arm of Brazilian oil and gas giant Petroleo Brasileiro (Petrobras) (SAO:PETR3; NYSE:PBR), has acquired 50% in sector firm Biooleo Industrial e Comercial, for BRL 15.5 million (USD 9m/EUR 6.9m).