Hydropower completes greening of Norway
The Norwegian energy supply can be sustainable by 2030, according to new research. Politicians simply have to keep their promises.
Video: Solar power from energy-harvesting trees
Scientists at VTT have developed a prototype of a tree that harvests solar energy from its surroundings - whether indoors or outdoors - stores it and turns it into electricity to power small devices such as mobile phones, ...
SolidEnergy pushes ahead for better battery life in phones, cars
In-depth analysis required prior to retrofitting old buildings
Passive technologies can maximise primary energy reduction and economic investment in existing buildings
Converting olive mash into cash
An experimental system to create heat and power with waste from olive oil processing is up-and-running in Spain. Carina Lagergren, a researcher from Sweden's KTH Royal Institute of Technology, says the system ...
Calculating the future of solar-fuel refineries
A team of University of Wisconsin-Madison engineers has developed a new tool to help plot the future of solar fuels.
Engineers use brilliant X-rays to illuminate catalysis, revise theories
Many of today's most promising renewable energy technologies – fuel cells, water splitters and artificial photosynthesis – rely upon catalysts to expedite the chemical reactions at the heart of their ...
Perovskite solar cell reaches record efficiency
New technologies harvest energy from movements, sound and more
Fed up with constantly having to recharge or replace batteries in your ever-expanding trove of electronic gadgets? The solution may be just a few steps away.
Renewable energy companies use new clout in statehouses
Earlier this year, Ohio became the first state to freeze a scheduled increase in the amount of electricity that must be generated by wind, solar and other renewable sources. The move gave advocates of repealing states' mandatory ...
New seismic survey technique could save dolphins' hearing
Conventional seismic imaging transmits sound energy into the ground and builds a picture of the underlying geology by analysing how the energy waves are reflected back to the receiver.
New energy innovation report highlights central role of emerging economies
Innovation in clean energy technologies is a truly global phenomenon, and the most active efforts to develop next-generation technologies are in rapidly industrializing countries, where energy demand is high ...
MEMS sensors and platforms to build a hyper-attentive world of objects
Ever wonder how your smartphone got so smart? It stores pictures right-side up, knows where the North Star is, and always brings you home. This spatial acumen originates from micrometer-sized devices known ...
A green data center with an autonomous power supply
A new data center in the United States is generating electricity for its servers entirely from renewable sources, converting biogas from a sewage treatment plant into electricity and water. Siemens implemented ...