Nationalization of oil supplies In April 2010, Argentina's president Cristina Fernández de Kirchner introduced a bill on April 16, 2012, for the expropriation of YPF, the nation's largest energy firm. The state would purchase a 51% share, with the national government controlling 51% of this package and ten provincial governments receiving the remaining 49%. Investment in exploration at YPF as a percentage of profits had been far below those in most other Repsol subsidiaries, and declines in output at the firm represented 54% of the nation's lost oil production and 97% in the case of natural gas. Market analysts and Repsol blamed the decline
Cristina Fernández de Kirchner with Iran for a joint investigation. Nisman accused the president of signing that memorandum for oil and trade benefits, according to hundreds of hours of wiretaps. On 19 January 2015, he was found dead at his home, a day before a congressional hearing to explain his accusation, which caused a great controversy. As of 2016, both the cases of the AMIA bombing and the death of Nisman remain unresolved, and the courts declined at the time to investigate his denunciation of Kirchner. Mauricio Macri, mayor of Buenos Aires, was elected president in the 2015 presidential elections, defeating the Kirchnerite candidate