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 ended his term of office in 1999 and was replaced by Fernando de la Rúa. Kirchner took part in a commission to investigate money laundering with fellow legislator Elisa Carrió, and got into conflicts with her. She ran again for senator in the 2001 midterm elections. Néstor Kirchner was elected president in 2003, and Cristina became the First Lady. Under these circumstances, she sought a lower profile in Congress. Néstor Kirchner had a political dispute with the previous president, Eduardo Duhalde. Their dispute continued during the 2005 midterm elections. Without consensus in the PJ for a single candidate for senator