3 ms·

Since 1971 OPEC Oil is exclusively sold in US dollars. https://en.wikipedia.org/wiki/Petrocurrency#Currencies_used_to_trade_oil https://en.wikipedia.org/wiki/P

by known 12y ago

Since 1971 OPEC Oil is exclusively sold in US dollars. https://en.wikipedia.org/wiki/Petrocurrency#Currencies_used_to_trade_oil https://en.wikipedia.org/wiki/Petrocurrency#Currencies_used_... http://en.wikipedia.org/wiki/File:Oil_Balance.png http://en.wikipedia.org/wiki/File:Oil_Balance.png