Energy & Green Tech news

Engineering

Energy-efficient device uses solar power to turn seawater into fresh water

Researchers at the University of Waterloo have designed an energy-efficient device that produces drinking water from seawater using an evaporation process driven largely by the sun.

Energy & Green Tech

Self-charging energy harvester generates electricity from seawater

An innovative energy harvester, capable of continuously producing electrical energy by utilizing the movement of the sodium ions contained in seawater, has been developed. This technology is anticipated to find applications ...

Energy & Green Tech

Computer engineers pioneer approaches to energy-efficient supercomputing

As high-tech companies ramp up construction of massive data centers to meet the business boom in artificial intelligence, one component is becoming an increasingly rare commodity: electricity.

Business

South Africa's green hydrogen hub: EU grants not nearly enough to get industry going, say chemical engineers

South Africa is poised to become a major player in the global energy transition, thanks to its vast renewable energy resources (sun and wind) and its plans for green hydrogen production.

Energy & Green Tech

Silver State may become solar state under new federal plan

The U.S. is preparing for a gargantuan spike in the amount of energy it harnesses from the sun, and vastly changing the desert landscape of the Silver State's public lands is a major component of that vision.

Business

Bitcoin as environmentally costly as beef production

Taken as a share of the market price, the environmental costs of mining the digital cryptocurrency Bitcoin are more comparable to the climate damages of producing beef than gold mining costs, according to analysis published ...

Energy & Green Tech

Clean hydrogen: A long-awaited solution for hard-to-abate sectors?

One of the world's biggest climate challenges is decarbonizing fossil energy uses that cannot be directly electrified using renewable power. Among so-called "hard-to-abate" (HTA) sectors are major industries that rely on ...

Energy & Green Tech

Biden laying foundation for green energy investments: Yellen

US President Joe Biden's push for green energy tax credits will help boost a massive ramp up in private investment that will create jobs and lower energy costs for American families, Treasury Secretary Janet Yellen said Tuesday.

Energy & Green Tech

Bio-what? Half of Danes don't know what biomass is

Nearly half of Danes have never heard of Denmark's largest source of renewable energy. The finding, reported in a study from the University of Copenhagen, is the first to explore Danish attitudes to woody biomass as an energy ...

Energy & Green Tech

A turning point in lithium-sulfur battery field technology

Professor Jong-Sung Yu's research group in the Department of Energy Science and Engineering at DGIST developed a technology for a porous silica interlayer by loading sulfur, an active material, in silica. This new approach ...

Energy & Green Tech

The relationship between geothermal energy and lithium

As product managers at the National Renewable Energy Laboratory (NREL), Nicholas Gilroy and Haiku Sky help turn complex information into a compelling journey on the web. Their work allows users to interact with data and even ...

Energy & Green Tech

Researchers improve efficiency of low-cost solar cells

With global energy-related carbon dioxide emissions reaching an all-time high in 2021, the need for clean energy is more pressing than ever. One such alternative to fossil fuels is solar energy. Solar cells have been developed ...