Energy & Green Tech news

Engineering

Study highlights complex ocean conditions facing world's most powerful tidal turbine

The number of tidal power and other offshore renewable energy installations is set to grow significantly around the UK coastline over the coming decades.

Energy & Green Tech

Organic supramolecular crystals with high hydrogen storage performance could enhance fuel-cell vehicle efficiency

Hydrogen is often seen as the fuel of the future on account of its zero-emission and high gravimetric energy density, meaning it stores more energy per unit of mass compared to gasoline. Its low volumetric density, however, ...

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

New continuous reaction process can help turn plant waste into sustainable aviation fuel

Washington State University scientists successfully tested a new way to produce sustainable jet fuel from lignin-based agricultural waste. Published in the journal Fuel Processing Technology, the team's research demonstrated ...

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

Vertical turbines could be the future for wind farms

The now-familiar sight of traditional propeller wind turbines could be replaced in the future with wind farms containing more compact and efficient vertical turbines. New research from Oxford Brookes University has found ...

Energy & Green Tech

Biden plan for cleaner power system faces daunting obstacles

If the nation is to meet President Joe Biden's goal of cutting America's greenhouse gas emissions in half by the end of the decade, it will have to undertake a vast transformation toward renewable energy.

Energy & Green Tech

35 years since nuclear disaster, Chernobyl warns, inspires

The vast and empty Chernobyl Exclusion Zone around the site of the world's worst nuclear accident is a baleful monument to human mistakes. Yet 35 years after a power plant reactor exploded, Ukrainians also look to it for ...

Energy & Green Tech

Heavy-duty vehicles an ideal entry into hydrogen fuel cell use

Through a consortium of Department of Energy national laboratories, Oak Ridge National Laboratory scientists are applying their expertise to provide solutions that enable the commercialization of emission-free hydrogen fuel ...

Energy & Green Tech

A critical understanding of why and how solid-state batteries fail

Researchers from the Faraday Institution's SOLBAT project have made a significant step in understanding how and why solid-state batteries (SSBs) fail. A paper, published in Nature Materials on 22 April, provides answers to ...

Energy & Green Tech

How techno-economic analysis can improve energy technologies

For new energy technologies, the time elapsed from when a breakthrough is made in a laboratory setting until when it is validated, scaled up, piloted, and then widely commercialized can be years or even decades. But in the ...

Energy & Green Tech

A strategy to rejuvenate dead lithium inside batteries

Li-ion batteries and other emerging lithium-based battery technologies are currently used to power a wide range of devices, including smartphones, laptops, tablets and cameras. Despite their advantages, batteries containing ...

Energy & Green Tech

Sustainable electricity generation at low temperatures

Low-temperature heat in the form of waste heat from industry or geothermal power plants offers big potential for sustainable and need-tailored power supply. The Modular Low-temperature Cycle Karlsruhe (MoNiKa), the only research ...

Electronics & Semiconductors

Perovskite solar cells exceed 25% power-conversion efficiency

Perovskites are hybrid compounds that can be made from metal halides and organic constituents. Their attractive structural and electronic properties have placed them at the forefront of materials' research, with enormous ...

Energy & Green Tech

Solar panels are contagious—but in a good way

The number of solar panels within shortest distance from a house is the most important factor in determining the likelihood of that house having a solar panel, when compared with a host of socio-economic and demographic variables. ...

Engineering

Fast mitigation of power grid instability risks

Skoltech scientists in collaboration with researchers from the University of Arizona and the Los Alamos National Laboratory have developed an approach that allows power grids to return to stability fast after demand response ...