According to Aljazeera Pemex, burdened with significant debt, financial and operational constraints, now faces competition from Venezuelan oil. Monterrey, Mexico: For more than 30 years, Dagoberto Ramos worked at Pemex, Mexico’s state-owned oil company, at one of its petrochemical complexes in the energy hub of Coatzacoalcos, Veracruz. Ten years ago, the specialist in ethylene production opted […]