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Energy Markets: Factors That Influence Gasoline Prices

GAO-07-902T Published: May 22, 2007. Publicly Released: May 22, 2007.
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Highlights

Few issues generate more attention and anxiety among American consumers than the price of gasoline. The most current upsurge in prices is no exception. According to data from the Energy Information Administration (EIA), the average retail price of regular unleaded gasoline in the United States has increased almost every week this year since January 29th and reached an all-time high of $3.10 the week of May 14th. Over this time period, the price has increase 94 cents per gallon and added about $20 billion to consumers' total gasoline bill, or about $146 for each passenger car in the United States. Given the importance of gasoline for the nation's economy, it is essential to understand the market for gasoline and the factors that influence gasoline prices. In this context, this testimony addresses the following questions: (1) what key factors affect the prices of gasoline and (2) what effects have mergers had on market concentration and wholesale gasoline prices? To address these questions, GAO relied on previous reports, including a 2004 GAO report on mergers in the U.S. petroleum industry, a 2005 GAO primer on gasoline prices and a 2006 testimony. GAO also collected updated data from EIA. This work was performed in accordance with generally accepted government auditing standards.

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Corporate mergersCost analysisCrude oilEconometric modelingEconomic analysisFuel pricesGasolinePetroleum industryPetroleum pricesPetroleum refining facilitiesPrices and pricing