Unique Air Shutter Helps Morph Chevrolet Cruze Into 40 MPG Leader (w/ Video)

Fadler and his team worked on making the 2011 Chevrolet Cruze Eco one of the most fuel-efficient small cars on the market, achieving up to an estimated 40 MPG on the highway - hybrid-like efficiency without the hybrid cost.
Engineers used some of the proven approaches to making the Cruze

Eco a gas sipper, trimming its overall weight and lowering the ride height. But the real innovation is behind the front grill where an automatic air shutter system allows the car to change shape and cut through the air more smoothly.