Algerian Energy minister and OPEC president Chakib Khelil (L) kisses OPEC Secretary-General Abdullah El-Badri good-bye after a news conference in the OPEC headquarters following a meeting of OPEC oil ministers in Vienna February 1, 2008. OPEC oil producers on Friday kept oil supplies unchanged despite worries that $90-a-barrel crude is causing difficulty for slowing economies in the West. REUTERS/Heinz-Peter Bader (AUSTRIA)