Mexico Expands Investigation into Cartel-Linked Fuel Smuggling at Key Ports

The Mexican government has broadened its investigation into fuel smuggling at major sea ports, following a 2025 Reuters probe linking the trade to organized crime cartels. Internal probes are now underway at the ports of Guaymas, Tampico, and Ensenada, as well as within the Navy and customs agency, according to a government document reviewed by Reuters.

The expanded probe comes after 14 individuals, including customs and Navy officials, were arrested last year over alleged smuggling at Tampico. Fuel smuggling in Mexico involves falsifying shipping documents to evade taxes on imported diesel and gasoline, with illicit fuel now the second-largest source of cartel revenue after narcotics.

U.S. and Mexican security officials have noted smugglers are increasingly using petroleum tankers, suggesting collusion with corrupt port insiders. A 2025 Reuters investigation tracked diesel shipments falsely declared as tax-free lubricants, costing the government $7 million and linked to the Jalisco New Generation Cartel.

Opposition party PAN has urged authorities to investigate all individuals involved, including potential high-ranking officials. The government and PAN have not publicly commented on the latest developments.

Written by Adeyemi Adewale