Brent crude oil fell more than $3 to a fresh four-year low under $75 a barrel on Thursday, while WTI Crude Oil is trading at a measly $73, its lowest since four years ago. Brent fell drastically after OPEC decided not to cut production, despite a huge oversupply in world markets. WTI Crude Oil is set to fall to a 5-year low at $70/barrel as the U.S. dollar continues to rise on the guarantee of an economic recovery. WTI Crude Oil, as of late Thursday, is currently trading at $73, its lowest in 4 years. Asked whether the oil producer group had decided to reduce production, Saudi Arabian Oil Minister Ali al-Naimi told reporters: "That is right."Oil prices have fallen by more than a third since June as increasing production in North America from shale oil has overwhelmed demand at a time of sluggish global economic growth.Ministers from the Organization of the Petroleum Exporting Countries had been discussing whether to agree a production cut at their meeting in Vienna.Benchmark Brent futures were down by $2.50 a barrel at $75.25 by 1500 GMT, after hitting a low of $74.36, their lowest since August 2010. U.S. crude was at $71.50, down $2.19.