A U.S. official stated on Tuesday that U.S. president Donald Trump would restore his "maximum-pressure" campaign against Iran ...

Here’s a look at crude oil reserves and production around the world. Facts Crude oil is a form of liquid petroleum, extracted from rock formations and used for fuel and other purposes. Members of the ...

OPEC, or the Organization of the Petroleum Exporting Countries, serves as an organizing body of the world's largest producers of oil. Its purpose, per its website, is to "coordinate and unify the ...