Energy & Green Tech news

Business

Green subsidies may have hidden costs, experts warn

Government subsidies for business practices and processes should be approached with caution, even when they seem to be environmentally friendly, writes a group of scientists and economists in this week's Policy Forum in the ...

Energy & Green Tech

Building deconstruction, reuse would benefit New York State jobs, climate

Shifting from wasteful demolition practices to a circular construction economy in New York state could unlock unrealized economic activity, create thousands of green jobs and advance ambitious climate goals—while reducing ...

Engineering

Engineers develop solar-powered lithium extraction from brine

A team of engineers at Nanjing University, working with a pair of colleagues from the University of California, Berkeley, has developed a new way to extract lithium from briny water.

Engineering

New research unlocks potential of electrochemical separation for water treatment and resource extraction

A team of Vanderbilt researchers has developed novel technology called electrochemical ion pumping (EIP) that could revolutionize the treatment of water and resource extraction.

Engineering

New technique streamlines early-stage battery development

From current on-road vehicles to future electrified aircraft, the safety and reliability of energy storage systems is critical across battery applications. Before entering the market, all battery systems undergo thorough ...

Business

High costs slow widespread use of heat pumps in UK, study shows

The high cost of installing heat pumps for home heating could slow down people widely adopting the technology and leave government targets missed, research suggests. There has been a little to no reduction in the average ...

Engineering

Soda production process eliminates CO₂ emissions

Fraunhofer researchers and their partners have developed an innovative and eco-friendly method of producing soda, essential for a wide range of industries, in the Green Soda project. The process is based on bipolar electrodialysis ...

Energy & Green Tech

China drives record growth in renewable energy jobs: report

A record 2.5 million jobs were created in the renewable energy sector in 2023, most of them in China, the International Renewable Energy Agency and International Labor Organization said on Tuesday.

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

Getting to zero emissions: A call for unified energy planning

As competition between gas and electric utilities heats up due to clean energy-promoting policies that emphasize replacing gas with electricity, state regulators need to overhaul their approach to regulation, argue scholars ...

Energy & Green Tech

Researcher wants to ensure AI doesn't ruin the environment

Artificial intelligence (AI) has changed the world as we know it. It's been used for everything from health-care monitoring to writing speeches. But the technology's impact on the environment is becoming a serious concern.

Energy & Green Tech

Mining bitcoin uses more energy than Denmark: study

Extracting a dollar's worth of cryptocurrency such as bitcoin from the deep Web consumes three times more energy than digging up a dollar's worth of gold, researchers said Monday.

Energy & Green Tech

Biofuel from a container

More than four billion tons of crude oil are produced every year, and electricity from wind, solar and hydropower plants cannot entirely supplant fossil sources of energy. At best, renewables could cover the energy needed ...

Energy & Green Tech

Researchers publish discoveries in battery technology

NJIT researchers are finding alternative solutions to a material that has become an essential, yet costly, building block in the supply chain of today's smart device-driven world—cobalt.

Energy & Green Tech

Water out of thin air: California couple's device wins $1.5M

It started out modestly enough: David Hertz, having learned that under the right conditions you really can make your own water out of thin air, put a little contraption on the roof of his office and began cranking out free ...

Energy & Green Tech

Researchers demonstrate 120-kilowatt wireless charging for vehicles

Researchers at the Department of Energy's Oak Ridge National Laboratory have demonstrated a 120-kilowatt wireless charging system for vehicles—providing six times the power of previous ORNL technology and a big step toward ...

Energy & Green Tech

Hydrogen car prototype

Researchers at the Institute of Chemical Technology and collaborators have successfully developed and tested a scale car prototype that stores and generates hydrogen safely and is capable of using it as fuel.

Energy & Green Tech

Shining a light on electricity reliability in Sub-Saharan Africa

More than one billion people do not have access to electricity, and gaining access is a critical part of improving economic and human health outcomes in developing countries, where electrification rates can be as less ...

Energy & Green Tech

Carbon fiber can store energy in the body of a vehicle

A study led by Chalmers University of Technology, Sweden, has shown that carbon fibres can work as battery electrodes, storing energy directly. This opens up new opportunities for structural batteries, where the carbon fibre ...

Energy & Green Tech

3D-printed supercapacitor electrode breaks records in lab tests

Scientists at UC Santa Cruz and Lawrence Livermore National Laboratory (LLNL) have reported unprecedented performance results for a supercapacitor electrode. The researchers fabricated electrodes using a printable graphene ...

Energy & Green Tech

NADINE: Power-plant-scale energy storage

On the way toward a CO2-neutral energy system, storage of large amounts of energy is still an unsolved problem. In the future, Karlsruhe Institute of Technology (KIT), the German Aerospace Center (DLR), and Stuttgart University ...

Energy & Green Tech

3D-printed lithium-ion batteries

Electric vehicles and most electronic devices, such as cell phones and laptop computers, are powered by lithium-ion batteries. Until now, manufacturers have had to design their devices around the size and shape of commercially ...

Energy & Green Tech

Wind farms and reducing hurricane precipitation

With the United States being pummeled over the last couple of years with several high-category, high-damage hurricanes, the University of Delaware's Cristina Archer recently published a paper that discovered an unexpected ...