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.

Energy & Green Tech

Flexible solar cells with record efficiency of 22.2%

Empa researchers have, once again, improved the efficiency of CIGS flexible solar cells. Independently certified measurements revealed a power conversion efficiency of 22.2% to convert light into electricity, an improvement ...

Energy & Green Tech

UN urges 'complete transformation' of global energy system

Climate change risks undermining global energy security unless the use of renewables is dramatically scaled up, the UN warned Tuesday, suggesting the Ukraine conflict's ripple effects could speed up the green transition.

Energy & Green Tech

Four ways to reduce your household energy use, proven by research

A particularly cold September has given us a glimpse of the winter to come. The cold will bite hardest for the 13% of England's households that are already in fuel poverty. As the energy crisis intensifies, this is expected ...

Energy & Green Tech

Winter power shortages won't worry off-grid Swiss valley

While people across Europe are being urged to save energy this coming winter to avert power shortages, Switzerland's Bavona Valley is unfazed, having never been plugged into the power network.

Energy & Green Tech

Along US Gulf Coast, huge gas plants jostle for space

As war rages in Ukraine, and Europe thirsts for fuel, the liquified natural gas (LNG) industry along the US Gulf Coast is preparing to expand—a distressing development to some nearby neighbors.

Energy & Green Tech

Sleep mode makes Internet of Energy more energy efficient

A group of scientists in Nagoya University, Japan, have developed a possible solution to one of the biggest problems of the Internet of Energy, energy efficiency. They did so by creating a controller that has a sleep mode ...