USA TODAY | Oil prices fall below $40 a barrel for first time since 2009 USA TODAY Oil prices dipped below $40 a barrel Friday for the first time in 6 ½ years on the prospect of falling global demand, busting through a key threshold that could signal further declines and market turmoil. The price of West Texas Intermediate for ... Petrol Prices Cut As Oil Heads Towards New Low US crude oil prices dive below $40 a barrel Oil could drop into the $20s |