Energy accounts for 12 percent of the value of all U.S. exports to Mexico, and 5 percent of all U.S. imports from Mexico last year. – Historically, Mexico has exported crude oil to the U.S. and the U.S. has exported gasoline to Mexico. – Natural gas is taking on a larger role, with new pipelines linking Texas shale fields to Mexico’s pipeline system. At the same time, Mexico’s declining oil production and flagging refining output is decreasing Mexico crude oil […]