“In August 1946, exactly one year after the end of World War II, a tanker sailed into the port of Philadelphia laden with 115,000 barrels of oil for delivery to a local refinery. The cargo, loaded a month earlier in Kuwait, was described at the time as the first significant “shipment of Middle East oil to the United States.” Two years later, Saudi oil was imported for the first time, in order, said the U.S. buyer, “to meet the demand for petroleum products in the United States.”1 That year—1948—marked an historic turning point. The United States had not only been a net exporter of oil, but for many years the world’s largest exporter, by far. Six out of every seven barrels of oil used by the Allies during World War II came from the United States. But now the country was becoming a net importer of oil. By the late 1940s, with a postwar economic boom and car-dependent suburbs spreading out, domestic oil consumption was outrunning domestic supplies.”