Spread tow is used on much of the car wherever a balanced fabric is needed.)
Spread tow offers weight savings, primarily because there is less resin needed to fill voids in the matrix as the fibres are layed much flatter than in a conventional cloth. Its used has become very widespread (if you will forgive the pun) throughout the composites industry
I even use spread tow for the wings of my toy gliders.
You can find some more information direct from the manufacturers site here : - http://www.oxeon.se