The Fiat 500 Abarth on display at the North American International Auto Show, Detroit, Michigan, USA, North America

The Scion IQ on display at the North American International Auto Show, Detroit, Michigan, USA, North America

The Hyundai Genesis on display at the North American International Auto Show, Detroit, Michigan, USA, North America

The 2012 Hyundai Elantra on display at the North American International Auto Show, Detroit, Michigan, USA, North America

The Smart For-us concept electric pickup truck on display at the North American International Auto Show, Detroit, Michigan, USA, North America

The BMW i8 plug-in hybrid concept car on display at the North American International Auto Show, Detroit, Michigan, USA

The 2013 Honda Accord concept on display at the North American International Auto Show, Detroit, Michigan, USA, North America

The 2013 Ford Focus ST on display at the North American International Auto Show, Detroit, Michigan, USA, North America

The 2012 Toyota Prius plug-in hybrid on display at the North American International Auto Show, Detroit, Michigan, USA, North America

The BMW i8 concept plug-in hybrid on display at the North American International Auto Show, Detroit, Michigan, USA, North America

The underside of the 2013 Mustang Boss 302 on display at the North American International Auto Show, Detroit, Michigan, USA, North America

"The Chevrolet EN-V 2. 0 Concept Vehicle, front, an electric car that can drive itself at low speeds, on display at the Intelligent Transport Systems World Congress, Detroit, Michigan, United States, North America"

The Chevrolet Volt electric car on display at the North American International Auto Show, Detroit, Michigan, USA, North America