The boom in the production of shale oil has had an impact on the performance of various oil stocks. It has also led many to wonder why the price of gasoline has remained so high with so much additional supply. While the export of crude oil is highly limited, the export of refined product is not. This has benefited some oil stocks – including refiners Tesoro (NYSE:TSO) and Valero (NYSE:VLO) -- more than others.

In the following video, contributor Doug Ehrman discusses how a change in U.S. policy on the export of crude could benefit certain oil stocks such as Exxon Mobil (NYSE:XOM) and Chevron (NYSE:CVX).

Fool contributor Doug Ehrman has no position in any stocks mentioned. The Motley Fool recommends Chevron and Ford and owns shares of Ford and General Electric Company. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.