(SeeNews) - Feb 10, 2014 - Brazilian oil and gas major Petrobras (BVMF:PETR3) may save BRL 2.3 billion (USD 966.7m/EUR 709.5m) in 2014 if the government implements the B7, a 7% biodiesel blend with conventional diesel oil, according to an estimate of the country's vegetable oil industry association Abiove.