Petroleos Mexicanos fought tooth and nail to wrest control of the country’s biggest private oil find from the companies that discovered it. Now it has found itself without the cash to actually develop the field. After taking operational control of the Zama megafield last month, the Mexican state-owned oil producer doesn’t have the nearly $2 billion needed to develop the prospect over the next five to seven years, said people familiar with the discussions being held at Pemex, asking not to be named because the information isn’t public. Mexican President Andres Manuel Lopez Obrador swept to power in late 2018 on pledges to put the country’s oil riches back in the hands […]