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Energy

Technologies for sustainable and renewable energy


New Material Converts Solar Energy to Steam

Written by , on September 10, 2014

A new material structure, developed at MIT, generates steam when simply floated on water and placed in the sun.   Read more »

Device Recovers Waste Heat from Showers

Written by , on August 15, 2014

A new drain heat exchanger for waste heat recovery in residential buildings promises to be the first practical version for home shower use. It is claimed to recover up to 45% of the waste heat from shower drains while offering a good return on investment.  Read more »

Solar Drink Cooler

Written by , on August 11, 2014

Coca Cola, in collaboration with the International Physics Centre in Bogota, Colombia, have developed a fridge that cools drinks without using any electricity.  Read more »

Solar Wind Energy Tower

Written by , on July 22, 2014

Solar Wind Energy Inc has developed a hybrid solar-wind renewable energy technology which uses solar heat to generate wind that turns turbines.  Read more »

Energy Payback from Wind Turbines Is 6 to 12 Months

Written by , on July 22, 2014

Researchers at Oregon State University have carried out an environmental lifecycle assessment of 2-megawatt wind turbines planned for a large wind farm.  Read more »

40% More Efficient Cooking Pan

Written by , on July 15, 2014

A new type of cooking pan makes better use of available heat.  Read more »

Tidal Lagoons Could Generate 10% of UK’s Power

Written by , on July 10, 2014

A British company, Tidal Lagoon Power, is proposing to develop a network of tidal lagoon power stations. It says that it could provide 10% of the UK’s power needs by building at least five full-scale tidal lagoons in UK waters by 2023,  Read more »

New Way of Generating Electricity from Heat

Written by , on May 27, 2014

Researchers at MIT and Stanford demonstrated a new way to transform waste heat into electricity, particularly in situations where the temperature gradient is small.  Read more »

Aviation Fuel from CO2, Water and Sunlight

Written by , on May 10, 2014

The Solar-Jet project has successfully demonstrated the entire production chain for renewable kerosene obtained directly from just sunlight, water and carbon dioxide captured from the air. The process also has the potential to produce other types of fuel, such as diesel, gasoline or pure hydrogen, for transport applications in a more sustainable way. The project […]  Read more »

Efficient New Solar Cell Material Can Also Emit Light

Written by , on April 27, 2014

Scientists at Nanyang Technological University have developed a solar cell material which can emit light as well as converting light to electricity. The new cells not only glow when electricity passes through them but they can also be customised to emit different colours.  Read more »