(PEMEX, 22.May.2015) – PetrĂłleos Mexicanos carried out, for the third time, an online auction of partial lots of petroleum coke from the “Gral. Lázaro Cárdenas”, refinery located in Minatitlán, Veracruz. Pemex Refining carried out the auction along with the support of Regional Market Makers de MĂ©xico, S. de R.L. de […]