Energy Key Facts —The announcement. Bolivia’s hydrocarbons minister Marcelo Blanco said technical working groups with Petrobras open next week, covering exploration, production, transport, refining and marketing. —Not a return. Petrobras already operates in Bolivia, taking part in San Alberto, San Antonio, Itaú and the San Telmo Norte exploration area, all under service contracts with the […] The post Petrobras Never Left Bolivia. Now La Paz Wants It Back Anyway appeared first on The Rio Times.