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Speaking at an oil conference in London, Carlos Trevino pointed to a call by the head of Mexico's National Hydrocarbons Commission to float a minority stake in Pemex.
"I think he is right," Trevino said. "Pemex needs to perform a little bit better... We must be moving in that direction like many (national oil companies) have done... Maybe not in the following years. But yes, we have talked about it."