"By the early 1970s, American oil consumption–in the form of gasoline and other products–was rising even as domestic oil production was declining, leading to an increasing dependence on oil imported from abroad. Despite this, Americans worried little about a dwindling supply or a spike in prices, and were encouraged in this attitude by policymakers in Washington, who believed that Arab oil exporters couldn't afford to lose the revenue from the U.S. market." (Quoted from article)