PriceOfGas-BrentWTI
Yellow: average U.S. price of regular gasoline, all formulations, in dollars per gallon, weekly Jan 7, 2008 to Feb 20, 2012. Blue: 0.8 plus 0.025 times price of West Texas Intermediate, Jan 4, 2008 to Feb 21, 2012. Fuchsia: 0.8 plus 0.025 times Brent price.