Enlarge The structures used to process oil at a Mexican state-owned Pemex refinery in Tula, Hidalgo state, Mexico. On Aug. 12, 2013, President Enrique Peña Nieto called for constitutional changes to open Mexico’s moribund petroleum and electricity…
" />
Enlarge The structures used to process oil at a Mexican state-owned Pemex refinery in Tula, Hidalgo state, Mexico. On Aug. 12, 2013, President Enrique Peña Nieto called for constitutional changes to open Mexico’s moribund petroleum and electricity…
