Group with an Energy Studies Department (4)

I believe the answer is:

opec

(Other definitions for opec that I've seen before include "price-fixers?" , "Group of oil-producing countries" , "Group of countries with a common oil policy" , "Cartel of oil-producing countries" , "[CRUDE OIL] suppliers?" .)

I've seen this clue in the Newsday.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.