Energy & Green Tech news

Energy & Green Tech

How the 'rebound effect' could eat away at the green gains from electric vehicles

The transport sector produces around 19% of Australia's total greenhouse gas emissions. About 85% of transport emissions come from road vehicles burning fossil fuels.

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

A charge ahead: Carrier pre-intercalation techniques boost alternative battery performance

As the demand for energy storage diversifies, the limitations of lithium supplies drive a shift toward alternative technologies. Sodium, potassium, magnesium, and zinc-ion batteries emerge as promising contenders, yet face ...

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.

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

Geothermal bubbles up as another way to fight climate change

Geothermal power currently provides only a tiny fraction of the nation's electricity. But as states ramp up their transitions to renewable electricity, some leaders see a big role for geothermal as a stable, renewable power ...

Energy & Green Tech

'A necessity': Lebanon's forced conversion to solar

Thanks to solar energy, residents of the northern Lebanese village of Toula are finally able to enjoy ice cream again—a treat in a sun-baked country plagued by power cuts.

Energy & Green Tech

Small nuke reactors emerge as energy option, but risks loom

A global search for alternative sources to Russian energy during the war in Ukraine has refocused attention on smaller, easier-to-build nuclear power stations, which proponents say could provide a cheaper, more efficient ...

Energy & Green Tech

Why solar panels do not always live up to expectations

The need to switch to renewable energy sources such as wind and solar has never been more urgent. As the gas tap is slowly turned off, electricity becomes more and more expensive, and the effects of the warming climate are ...

Energy & Green Tech

A little strain goes a long way in reducing fuel cell performance

Many of us are all too familiar with how strain in work relationships can impact performance, but new research shows that materials in electricity-producing fuel cells may be sensitive to strain on an entirely different level.