Energy & Green Tech news

Energy & Green Tech

Recovering rare earth elements from coal ash for clean energy technologies

As the world transitions away from fossil fuels, the demand for rare earth elements (REEs) is only going to increase. These elements are vital to the production of technologies that will make the transition to green energy ...

Energy & Green Tech

Discovery could lead to longer-lasting EV batteries, hasten energy transition

Batteries lose capacity over time, which is why older cellphones run out of power more quickly. This common phenomenon, however, is not completely understood.

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

California governor signs bill to keep last reactors running

California Democratic Gov. Gavin Newsom signed legislation Friday intended to open the way for the state's last operating nuclear power plant to run an additional five years, a move that he said was needed to ward off possible ...

Energy & Green Tech

Fast charging over 10,000 cycles

Harvard's Office of Technology Development has granted an exclusive technology license to Adden Energy, Inc., a startup developing innovative solid-state battery systems for use in future electric vehicles (EVs) that would ...

Energy & Green Tech

EPA head: Advanced nuke tech key to mitigate climate change

The head of the U.S. Environment Protection Agency said Friday that advanced nuclear technology will be "critical" for both the United States and Japan as they step up cooperation to meet decarbonization goals.

Energy & Green Tech

A self-learning algorithm that helps save heating energy

A thermostat that predictively controls the indoor climate and thereby improves energy efficiency and comfort—Empa researchers Felix Bünning and Benjamin Huber came up with this idea while working in Empa's Urban Energy ...

Energy & Green Tech

Green adhesives made from whey

Every day, large quantities of whey are produced as a byproduct by the dairy industry. In Germany alone, this amounts to 12.6 million tons a year. For each kilogram of cheese, for example, 9 kilograms of whey are produced. ...

Energy & Green Tech

Hawaii quits coal in bid to fight climate change

The last bits of ash and greenhouse gases from Hawaii's only remaining coal-fired power plant slipped into the environment this week when the state's dirtiest source of electricity burned its final pieces of fuel.

Energy & Green Tech

Soaking up the sun with artificial intelligence

The sun continuously transmits trillions of watts of energy to the Earth. It will be doing so for billions more years. Yet, we have only just begun tapping into that abundant, renewable source of energy at affordable cost.

Energy & Green Tech

Californians told not to charge EVs as grid struggles in heat wave

Californians were told Wednesday not to charge their electric vehicles during peak hours, just days after the state said it would stop selling gas-powered cars, as the aging electricity grid struggles with a fearsome heatwave.