Increased domestic oil production is crucial for the United States

Rafael Corredoira's understanding and explanation of the U.S. petroleum markets is ludicrous. ("More domestic production won't lower gas prices," April 20.) I would need a full page to rebut his assertions.

He is as astute as Nancy Pelosi and her view that more imported Canadian crude would be refined and exported. More crude is imported than is required for U.S. markets. Petroleum products are exported because there has been excess refining capacity in the U.S. since 2008 when the U.S. economy went into the tank and oil demand declined. To suggest that U.S. companies should import OPEC crude and sell the products at a loss to drive down prices in the U.S. is scary to...