832-395873 - Wind turbines at blue hour in winter landscape, Ronsberg, Ostallgaeu, Bavaria, Germany, Europe

832-395879 - Burbo Bank offshore wind farm in Liverpool Bay, United Kingdom, Europe

832-395878 - Burbo Bank offshore wind farm in Liverpool Bay, United Kingdom, Europe

832-395475 - Wind turbines illuminated by the sun and forest rising from cloud cover, sunset, Koeterberg, Luegde, Weserbergland, North Rhine-Westphalia, Germany, Europe

832-395872 - Wind turbines at blue hour in winter landscape, Ronsberg, Ostallgaeu, Bavaria, Germany, Europe

1349-787 - GOCE Satellite's Electric Ion Propulsion

832-391742 - Old turbines in the Hydroelectric power station Unesco world heritage Industrial site Rjukan-Notodden, Norway, Europe

832-384409 - Charging plug on electric car, car being charged at charging station, Germany, Europe

832-384408 - Charging plug on electric car, car being charged at charging station, Germany, Europe

832-384578 - Charging station for electric cars with charging cable, Germany, Europe

832-381605 - Freediver swimming with underwater scooter, Red Sea, Egypt, Africa

832-381061 - Freediver swims with underwater scooter near a shipwreck, Red Sea, Egypt, Africa

857-95430 - Jet engine of airplane flying over wind farm, Scotland, UK

857-94863 - Pierre Le Coq preparing his windsurfing gear on a jetty near his van at Plouguerneau, Brittany, France.

857-94867 - Pink Granite CoastPierre Le Coq riding his windsurf board during a sunset session on the "Cote de Granit Rose" ( Pink Granite Coast ), Trégastel, Brittany, France.

857-94864 - Pierre Le Coq carries his windsurfing board over his head on a jetty at Plouguerneau, Brittany, France.

857-94865 - Pierre Le Coq carries his windsurfing board on a jetty at Plouguerneau, Brittany, France.

857-94866 - Pierre Le Coq performing a jibe with his windsurf board at Plouguerneau, Brittany, France.

857-87022 - 49 and 49erFX training in preparation for the ISAF world in Santander, Spain.

857-87014 - 49 and 49erFX training in preparation for the ISAF world in Santander, Spain.

857-87034 - 49 and 49erFX training in preparation for the ISAF world in Santander, Spain.

857-87011 - 49 and 49erFX training in preparation for the ISAF world in Santander, Spain.

857-87003 - 49 and 49erFX training in preparation for the ISAF world in Santander, Spain.

857-87016 - 49 and 49erFX training in preparation for the ISAF world in Santander, Spain.

857-87020 - 49 and 49erFX training in preparation for the ISAF world in Santander, Spain.

857-87008 - 49 and 49erFX training in preparation for the ISAF world in Santander, Spain.

832-341068 - Cog wheels

832-350384 - Damaged turbine of B 52 Bomber

832-334420 - Rusty cogwheel, gearwheel, detail

832-308984 - Production, BMW motorcycle factory in Berlin, Germany

832-308985 - Production, BMW motorcycle factory in Berlin, Germany

832-308986 - Production, BMW motorcycle factory in Berlin, Germany

832-308987 - Production, BMW motorcycle factory in Berlin, Germany

832-284259 - Mill museum the 7 mills, Pfarrwerfen, Salzburg, Austria

832-284257 - Mill museum the 7 mills, Pfarrwerfen, Salzburg, Austria

832-277899 - Small steamship, Bremerhaven, Bremen, Germany

817-440871 - Ship four bladed propeller and anchor, Helsinki, Finland.

817-440872 - Ship four bladed propeller and anchor, Helsinki, Finland.

817-438109 - An aircraft engine and clouds out an airplane window

832-169022 - Rocket man Troy Widgery at the 2009 Avalon Air show, Melbourne, Victoria, Australia

832-138765 - Ship propeller on an old fishing boat in dry dock, port of Hvide Sande, Denmark, Europe

832-117291 - Alternators, Department of Power Engineering, Deutsches Museum German museum, Munich, Bavaria, Germany, Europe

832-117290 - Revolving-field machine by Siemens and Halske in 1887, Department of Power Engineering, Deutsches Museum German museum, Munich, Bavaria, Germany, Europe

817-413893 - Tpg, Transports Publics Genevois Tram, Center Of Geneva, Switzerland

817-342346 - Unusual foot rowing Tam Coc area of Ngo Dong River near Ninh Binh north Vietnam

817-337582 - Woman pushing a car, Blond woman, classic convertible car, break down

817-337580 - Couple pushing a car, Blond woman, dark haired man, classic convertible car, break down

817-289488 - The engine compartment of a Chevrolet Volt hybrid gas/electric car Right side: the power inverter in top of the electric motor Left side: the 1 4-liter gasoline-powered engine used as generator to provide power to the electric motor or to engage mechani. The engine compartment of a Chevrolet Volt hybrid gas/electric car Right side: the power inverter in top of the electric motor Left side: the 1 4-liter gasoline-powered engine used as generator to provide power to the electric motor or to engage mechanically to assist propulsion when the battery is depleted It is the most fuel-efficient car with an internal combustion engine sold in the United States and can travel 25 to 50 miles on a lithium-ion battery with a total range of 379 miles Overall fuel economy is 60 miles per gallon