"Plug of an electric car, Rallye Monte-Carlo des Energies Nouvelles in 2014, Principality of Monaco"

The Toyota Prius plug-in hybrid electric car 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 Hyundai Elantra plug-in electric car, developed for future production, on display at the North American International Auto Show, Detroit, Michigan, USA, North America

"Electric car being charged at a public charging station, Berlin, Germany, Europe"

The Volkswagen e-Bugster concept electric car on display at the North American International Auto Show, Detroit, Michigan, USA, North America

"Electric car being charged at a public charging station, Berlin, Germany, Europe"

Plug, cable plugged into a charging station for electric cars, North Rhine-Westphalia, Germany, Europe

Two Chevrolet electric cars on display at the North American International Auto Show; the yellow EN-V pod-like car is a concept; the red Volt is in production, Detroit, Michigan, USA, North America

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

"Electric car being charged in a charging socket at the front of the Telekom-Zentrale headquarters, Bonn, North Rhine-Westphalia, Germany, Europe"

The Lexus LF-LC hybrid concept on display at the North American International Auto Show, Detroit, Michigan, USA, North America

Protecting the environment, artwork

Car with driver, artwork

Electric car, conceptual artwork

Global warming concept, artwork

Car use, conceptual artwork

Car with driver, artwork

Car use, conceptual artwork

Electric car, conceptual artwork

Green car, conceptual artwork

Computer-aided design of a car

Human impact on the environment, artwork

Human impact on the environment, artwork

"Car, plug, concept environment"