Energy & Green Tech news

Engineering

New cooling system works on gravity instead of electricity

Its abundance of sunlight and heavy investment in solar cell technology has positioned Saudi Arabia well in its transition to becoming a leading exporter of renewable energy. Indeed, solar energy currently makes up more than ...

Energy & Green Tech

Study sheds light on the paths leading to the degradation of layered Li-rich oxide cathodes

In recent years, researchers have been trying to develop increasingly advanced battery technologies that can store more energy, recharge faster, discharge slower, and have longer lifespans. To achieve this, many have been ...

Business

Study warns of $557 trillion in stranded assets by 2050 if fossil fuel investments continue

Continued investment in carbon-intensive industries will drastically increase the amount of "stranded assets" as the world moves to net-zero emissions, researchers warn.

Energy & Green Tech

Proof-of-concept study develops battery that would use Martian atmosphere as fuel during discharge

Mars presents a highly complex natural environment, characterized by a variety of gas components—95.32% carbon dioxide, 2.7% nitrogen, 1.6% argon, 0.13% oxygen, and 0.08% carbon monoxide—as well as extreme temperature ...

Energy & Green Tech

Britain's last coal-fired power station closes

The UK's last coal-fired power station will officially close its doors on Monday, making Britain the first G7 country to end its reliance on the fossil fuel to produce electricity.

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.

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 ...

Engineering

AI based early stage design support for efficient buildings

The construction, exploitation, and demolition of buildings make up for about 40% to 60% of the total energy and resource expenditure in Europe. It goes without saying that improving the material and energy efficiency in ...

Engineering

Report details best practices for concentrating solar power

So you want to build a concentrating solar power (CSP) plant. Have you developed a technical specification that clearly defines the key project requirements? Does your team have the relevant experience and knowledge to successfully ...

Energy & Green Tech

Building a circular chemical economy

Carbon dioxide is essential to plant and animal life, but in excess it negatively impacts the environment by absorbing and radiating heat in the atmosphere, contributing to global warming.

Energy & Green Tech

Stiffer roadways could improve truck fuel efficiency

Every time you hear a deep rumble and feel your house shake when a big truck roars by, that's partly because the weight of heavy vehicles causes a slight deflection in the road surface under them. It's enough of a dip to ...

Energy & Green Tech

Green energy revolution powered by global South

The global South made record renewable energies investments in 2019, a new global trends report has found, as analysts say developing economies are outpacing their developed counterparts in green power generation.

Energy & Green Tech

Renewables booming but not enough to meet climate targets: UN

The world added 12 percent more clean power capacity in 2019 than the year before, but new renewable energy planned over the next decade falls far short of what is needed to forestall dangerous global warming, the UN warned ...

Energy & Green Tech

Closer to a heat battery: Understanding the atomistic processes

Salts are cheap and sustainable materials that can be used to store energy (heat) over periods ranging from hours to years without loss. This works via so-called hydration-dehydration processes. Energy release (discharge) ...

Energy & Green Tech

Water vapor in the atmosphere may be prime renewable energy source

The search for renewable energy sources, which include wind, solar, hydroelectric dams, geothermal, and biomass, has preoccupied scientists and policymakers alike, due to their enormous potential in the fight against climate ...