united states government accountability office gao report to the chairman committee on international relations house of representatives energy forums contribute cooperation within constraints december 2006 07 170 what found why did this study highlights integrity reliability a pursues through several designed meet specific cooperative needs they include formal institution with binding petroleum reserve obligations regional associations and informal gatherings facilitate information exchange major agency iea asia pacific economic working group north american forum identified three market issues that are important for us efforts in first tighter higher more volatile prices has developed is due 1 an unanticipated rise demand 2 constrained supply less spare crude oil production capacity increased political frictions certain supplier countries