(SeeNews) - Aug 23, 2013 - Petrobras Biocombustivel, the biofuels subsidiary of Brazil's oil and gas giant Petrobras (SAO:PETR3), decided to postpone for an indefinte time the doubling of the capacity of its ethanol plant Boa Vista in the central-western Goias state, originally projected for the 2014/15 crop, CEO Miguel Rossetto declared.