The new Corvette, for instance, incorporates lightweight materials to a degree not seen on even the most exotic cars, including a carbon fiber hood and removable roof panel, and a carbon-reinforced aluminum frame.

FORBES: New Corvette Is A Sign Of The Times At GM

It also increases the use of costly carbon-fiber body panels (the hood and roof) and other composite materials, to save weight.

WSJ: 2014 Chevrolet Corvette Stingray: Drive All-American | Rumble Seat by Dan Neil