Mexican state-run oil giant Petroleos Mexicanos said Thursday it has requested permission from the U.S. Commerce Department to import light crude to Mexico from the U.S., with the aim of improving output at its Mexican refineries. The significant increase of light crude production in the U.S. presents an opportunity to mix that oil with Mexican heavy crude, and thus boost refining efficiency in Mexico, the company known as Pemex said. Pemex anticipates that it could import up to 100,000 barrels a day of light crude and condensates under the proposal, which it calls a “swap.” America has a long-standing ban on exporting crude-oil pumped in the U.S., but the Commerce Department recently issued new rules clarifying that some ultralight oil can freely flow out of the country to foreign buyers. Dubbed condensate by the energy industry, this light oil no longer needs to be fully processed at a […]