Presidency of Cristina Fernández de Kirchner and became president after his death. The transition from Néstor Kirchner to Cristina Kirchner was also the first time when a democratic head of state was replaced by his spouse, without involving the death of any of them. Néstor Kirchner stayed active in politics despite not being the president, and worked alongside Cristina Kirchner. The press developed the term ""presidential marriage"" to make reference to both of them at once. Some political analysts compared this type of government with a diarchy. During the first days of Fernández's presidency, Argentina's relations with the United States deteriorated as a result of allegations
Repsol energy company of the year". In December 2014 Repsol announced that it would buy Canadian oil company Talisman Energy in a transaction worth about $15.1 billion Cdn ($13 billion US). In 1971 Repsol logo first appears, as REPESA (Refinería de Petróleos de Escombreras S.A.) brand product, during the motorcycle Derby of that year. Its name derives from the founding company REPESA for its visibility and easy pronunciation in different languages. In 1991, the Instituto Nacional de Hidrocarbonos (INH), before the imminent demise of the state oil monopoly, set the objective to create a company of mixed public-private capital, which exploded