NASCAR driver Tony Stewart heads down the front straight-away as he and other drivers perform a Goodyear tire test in Sprint Cup Series stock cars that include the new spoiler package at Texas Motor Speedway, Tuesday, Jan. 19, 2010, in Fort Worth, Texas. The stock cars had been utilizing a wing-like design on the rear deck lid since 2007. The new spoiler was the design used prior to the 2007 design introduction.
NASCAR driver Tony Stewart heads down the front straight-away as… (AP Photo/Tony Gutierrez)
