Lifting - body aerodynamics are the natural evolution of winged designs .
It could achieve a number of goals simultaneously : cost reduction , improved sponsor visibility , improved safety , improved fuel efficiency , and improved perception of the IZOD IndyCar Series as a technological leader .
Lifting - body aerodynamics are the natural evolution of winged designs , and it could achieve a number of goals simultaneously : cost reduction , improved sponsor visibility , improved safety , improved fuel efficiency , and improved perception of the IZOD IndyCar Series as a technological leader .