In February 2019, Manuel Bartlett, director of the Federal Electricity Commission (CFE), questioned the contracts that the commission had signed for gas pipelines. The companies included Grupo Carso, TransCanada and IEnova. Negotiations began in July.
On August 27, 2019, at the president’s morning press conference, with Carlos Slim present, the government announced an agreement. Tariffs fell by roughly 19 to 38 percent. In return, some companies received higher volumes or longer terms, up to 30 years instead of 20. The government said the deal saved 4.5 billion dollars.