Cristina Fernández de Kirchner the twelve ministers appointed, seven had been ministers in Néstor Kirchner's government, while the other five took office for the first time. The selections anticipated the continuation of the policies implemented by Néstor Kirchner. She began a four-year term on 10 December 2007, facing challenges including: inflation, poor public security, international credibility, a faulty energy infrastructure, and protests from the agricultural sectors over an increase of nearly 30% on export taxes. Kirchner was the second female president of Argentina, after Isabel Martínez de Perón but, unlike Perón, was elected to the office, whereas Isabel Perón was elected Juan Perón's vice
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