"The Falcon F7, luxury car, North American International Auto Show, Detroit, Michigan, USA"

"Nissan Leaf, outfitted as an autonomous drive vehicle, North American International Auto Show, Detroit, Michigan, USA"

"The Audi A3 e-tron, a plug-in hybrid electric vehicle, North American International Auto Show, Detroit, Michigan, USA"

Detroit, Michigan - The Dearborn Industrial Generating Station, operated by CMS Energy, provides steam and electricity for Severstal Steel and Ford Motor Company at the Ford River Rouge complex.

The Ford Fusion hybrid on display at the North American International Auto Show, Detroit, Michigan, USA, North America

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

The 2013 Chevrolet Sonic RS on display at the North American International Auto Show, Detroit, Michigan, USA, North America

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

The Nissan Leaf electric vehicle on display at the North American International Auto Show, Detroit, Michigan, USA, North America

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

The Nissan Leaf electric vehicle 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

Looking through hatch in jail cell, prison, Düsseldorf prison, North Rhine-Westphalia, Germany, Europe

Empty collection cells in an imprisonment office, Berlin, Germany, Europe

"A jail cell in a police station, Detroit, Michigan, USA"