MEXICO CITY, MEXICO (By Fidencio Casillas, Energy Analytics Institute, 27.Jul.2026, Words: 178) — The Federal Attorney for Environmental Protection (Profepa) activated an environmental emergency in Sonora after a Ferromex freight train derailed in the municipality of Naco, spilling approximately 59,000 liters of sodium hydrosulfide (NaHS).
The accident occurred in the early hours of 26 Jul. 2026 and resulted in no injuries, according to El Financiero.