Pemex

Mexico is poised to allow foreign investment in its state-owned oil company, Pemex, for the first time in 75 years. In Venezuela, home to the world's cheapest gasoline, prices are due to skyrocket if President Maduro ends subsidies as he's indicated.
Jan 5, 2014   BBC News
Mexico, the world's 9th largest oil producer and first to nationalize its oil production, has seen steep production declines as the state-owned oil company lacks capital resources and expertise. Constitutional reforms would entice private investment.
Aug 20, 2013   The New York Times - Global Business