Related Clues:

• Noted cartel
• Trade grp. since 9/14/60
• L.A.-based petroleum giant
• Grp. affecting gas prices
• The U.A.E. belongs to it
• Big name in oil
• It's a gas
• Intl. acronym since 1960
• Big oil company
• Sacramento's ___ Arena
• Big name in petroleum
• Shell alternative
• With a bow, to Stern
• Oil cartel
• Chevron competitor