November 2 (SeeNews) - French sugar company Tereos S.A. announced on Friday that Brazil’s state-run oil giant Petroleo Brasileiro Petrobras S.A. (BVMF:PETR4) has increased its interest in their Brazilian sugar and ethanol joint venture Acucar Guarani S.A. to 45.9% for BRL 268 million (USD 69.5m/EUR 63m).