The Organization of Petroleum Exporting Countries (the OPEC cartel), with its strong pricing power, still plays a role.

拥有强大定价能力的石油输出国组织(OPEC，简称欧佩克)仍然发挥着重要作用。

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FBI Director Robert Mueller said the drug cartel has transformed itself into what he called a sophisticated criminal organization.

VOA: standard.2009.10.22

The Gulf cartel was the most powerful drug organization more than a year ago but thanks to the government's efforts it has lost some power.

CENTERFORSECURITYPOLICY: A Growing interdependence

He also leveled an ominous warning at the small states dotting the western shores of the Persian Gulf, many of which were allied coalition members during the 1991 Gulf War and are longtime members of the Organization of Petroleum Exporting Countries (OPEC) -- a cartel that has too much influence in world oil markets, he said.

CNN: In debate preview, candidates outline competing energy policies