Energy & Green Tech news

Energy & Green Tech

Nepal dam-building spree powers electric vehicle boom

Taxi driver Surendra Parajuli's decision to buy an electric cab would have been unthinkable a decade ago, when chronic power cuts left Nepalis unable to light their homes at night.

Energy & Green Tech

Radiant-convective heating terminal show potential for improved indoor thermal environment for intermittent heating

A recent study published in Engineering, "Indoor Thermal Environment Improvement Based on Switchable Radiation/Convection-Combined Intermittent Heating: Comparison between Conventional Terminals and Integrated Novel Terminal," ...

Business

Clean energy transition: The impact of financial costs on the development of renewable energy sources

It is widely recognized that finance is one of the critical enablers of accelerating climate action. However, renewable energy deployment (particularly in developing countries) requires more financing than fossil fuel-based ...

Engineering

Novel recycling process for rare-earth elements could improve green technology and boost carbon neutrality

In a recent study published in Engineering, researchers from Kyoto University have unveiled a novel method for the efficient separation and recycling of rare-earth elements (REEs) from end-of-life magnets. This innovative ...

Engineering

Which is ecologically better: Concrete or plastic pipes?

On behalf of the FBS (Federal Association of Concrete Sewer Systems), Fraunhofer UMSICHT prepared a life cycle assessment of the environmental impact of wastewater pipes made of (steel) concrete. This also functions as an ...

Energy & Green Tech

Solar panels soon may power and protect apple orchards

A small experimental apple orchard at Cornell's Hudson Valley Research Laboratory may soon be topped by solar panels, which would not only track the sun to capture energy, but provide a warm canopy on cooler spring days and ...

Energy & Green Tech

Study shows US can cut greenhouse gas emissions by 65% by 2035

Dramatically expanding climate-action policies across all levels of government, sectors of society and the economy could slash U.S. greenhouse gas emissions by 65% by 2035 compared to 2005 levels, according to a new report ...

Business

Can cryptocurrencies ever be green?

Cryptocurrencies have been condemned over their environmental record at a time when traditional investments have been rapidly moving towards greener environmental, social and governance (ESG) values. So how long will it be ...

Energy & Green Tech

Decades-old mystery of lithium-ion battery storage solved

For years, researchers have aimed to learn more about a group of metal oxides that show promise as key materials for the next generation of lithium-ion batteries because of their mysterious ability to store significantly ...

Energy & Green Tech

New anode material could lead to safer fast-charging batteries

Scientists at UC San Diego have discovered a new anode material that enables lithium-ion batteries to be safely recharged within minutes for thousands of cycles. Known as a disordered rocksalt, the new anode is made up of ...

Energy & Green Tech

Researchers take important step towards new generation of batteries

Delft University of Technology researchers, in collaboration with researchers from Tsinghua University, have taken an important step toward a new type of Li-ion battery, which are used in smartphones, laptops, and electric ...

Energy & Green Tech

New Zealand startup eyes global wireless electrical grid

A startup energy company in New Zealand believes it can power the world with a wireless electric transmission system that can bring power to hard-to-reach areas and do so at lower cost than with traditional power lines.

Energy & Green Tech

Scientists use fruit peel to turn old batteries into new

Scientists led by Nanyang Technological University, Singapore (NTU Singapore) have developed a novel method of using fruit peel waste to extract and reuse precious metals from spent lithium-ion batteries in order to create ...

Energy & Green Tech

Reducing windpower's bad vibes

Windpower has come to the fore as a major source of renewable energy, with "turbine farms" springing up across the land and across the oceans. Of course, any new technology has its problems and its detractors, but technological ...

Energy & Green Tech

Geothermal energy from shell limestone

In 2017 a huge storage facility in the pores of a sandstone layer at a depth of between 1015 and 1045 meters below Berlin's Grunewald forest that had been used to temporarily store natural gas, to cover the city's fluctuating ...