Rubuta ci gaba don wannan sakin layi - A taron kolin Gleneagles (2005) da St. Petersburg (2006) taron kolin, rukunin kasashe takwas (G8) masu masana'antu sun jaddada bukatar hadin gwiwar duniya a fagen taron kolin G8 na 33
A Heiligendamm a watan Yunin 2007, G8 ta amince da shawarar EU game da shirin kasa da kasa kan ingantaccen makamashi kuma ta yanke shawarar bincika hanya mafi inganci don inganta ingantaccen makamashi a duniya, tare da Hukumar Kula da Makamashi ta Duniya (IEA).