(ADPnews) - Aug 16, 2010 - Brazilian ethanol maker Cosan (SAO:CSAN3) posted a net profit of BRL 8.7 million (USD 4.9m/EUR 3.8m) for the first quarter of the fiscal 2010/2011, quite below the BRL 337.3 million registered in the same period of fiscal 2009/2010.