The oil cartel OPEC said Friday that the price of its oil fell by over 4 dollars per barrel on Thursday, slipping to the lowest level since early 2007.
The Vienna-based Organisation of Petroleum Exporting Countries said its basket of 13 crudes averaged 54.89 dollars per barrel, compared with Wednesday's 58.94 dollars.
Thursday's price was the lowest listing since late February 2007, OPEC said.

The Singapore Exchange Limited (SGX) Tuesday said its derivatives and Exchange Traded Funds (ETF) markets set new trading records last year with volume surging to
When the Spirit rover landed on Mars five years ago, no one expected it or its sister rover Opportunity to make it to their first birthdays, let alone their fifth.
The San Antonio Spurs turned up their trademark defense down the stretch to turn back another opponent.
Popular US talk show host Oprah Winfrey, 54, has vowed to battle her recent weight gain, blaming it on "food abuse."
After the Taipei Zoo received two giant pandas from China, another Taiwan zoo said Friday it is seeking to receive a pair of pandas from China.