You may want to book that road trip or buy that new truck or SUV because gas prices are likely to remain near six-year lows for the 2015 summer travel season. Michael Green, spokesperson at AAA tells FOXBusiness.com, "It is practically guaranteed that Americans will pay the cheapest summertime gas prices since 2009," Green also notes that while OPEC's decision Friday to keep production levels steady, at 30 million barrels a day, was expected, "it is still good news for drivers."