Ashley Cooper / Hydrogen filling station on the outskirts of Reykavik, Iceland. The filling station is owned by Shell and is part of a project to help Iceland move from away from imported oil, to powering its vehicle...

Ashley Cooper / Hydrogen filling station on the outskirts of Reykavik, Iceland. The filling station is owned by Shell and is part of a project to help Iceland move from away from imported oil, to powering its vehicle...

Ashley Cooper / Hydrogen filling station on the outskirts of Reykavik, Iceland. The filling station is owned by Shell and is part of a project to help Iceland move from away from imported oil, to powering its vehicle...

Ashley Cooper / Bus in Delhi, India, December 2012. All of Delhi's buses run on Compressed Natural Gas (CNG), it is the worlds largest eco friendly bus fleet, and has helped to improve Delhi's air quality.

Rob Cousins / Juxtaposition of petrol filling station and wind farm, Castille, Spain

David Fleetham / Staff member filling a nitrox tank at a nitrox blending fill station, Hawaii.

David Fleetham / Nitrox scuba diving cylinders lined up at the filling station for the Wakatobi Resort, Indonesia.