Energy & Green Tech news

Engineering

Volcanic rock formula cuts cement emissions by two-thirds

Researchers have developed a volcanic rock formula that cuts carbon emissions by 67%, potentially offering an affordable alternative to increasingly scarce cement additives.

Energy & Green Tech

Polymer electrolyte lets the ions flow for solid-state batteries

Researchers at the Department of Energy's Oak Ridge National Laboratory have uncovered a path to design superionic polymer electrolytes for solid-state batteries and other energy applications that could help ensure a future ...

Engineering

Safer sodium battery eliminates thermal runaway with a heat-triggered polymer barrier

Some batteries have been known to catch fire or explode at high temperatures or when under stress. This safety concern has pushed researchers to experiment with different ways to design safer batteries that can ideally still ...

Hardware

Prototype chip could boost efficiency of power management in data centers

In an effort to meet the rising energy demands of data centers, engineers at the University of California San Diego have developed a new chip design that could improve how graphics processing units (GPUs) convert and manage ...

Engineering

Solar-powered device disinfects drinking water in under an hour

For many people living in developed nations, towns and cities take care of ensuring that residents' water is clean and safe. Municipalities have advanced filters and UV light disinfection technologies at their disposal. Some ...

Energy & Green Tech

How electric cars could help tropical cities run on solar

In tropical cities, afternoon thunderstorms can plunge entire neighborhoods into brief moments of darkness. When civil engineer Markus Schläpfer moved to Singapore a decade ago, he recognized these thunderstorms as an emerging ...

Business

Researchers expose fossil fuel companies' communications facade

Fossil fuel companies say that they want to be on the front lines of renewable energy, with advertisements, social media, and even their own shareholder corporate reports espousing their commitment to green energy and combating ...

Energy & Green Tech

How electric vehicles could back up the power system

Electric vehicles (EVs) could do more for our environment than simply replace gasoline. Published in Joule, a new assessment of EV charging strategies suggests that EVs could serve as a vast network of mobile batteries, storing ...

Energy & Green Tech

Anode-free battery can double electric vehicle driving range

Could an electric vehicle travel from Seoul to Busan and back on a single charge? Could drivers stop worrying about battery performance even in winter? A Korean research team has taken a major step toward answering these ...

Energy & Green Tech

When disasters strike, home batteries could be a lifeline

Extreme weather is placing greater strain on Australia's power grids. In 2022, the record-breaking Northern Rivers floods blacked out almost 70,000 households. A powerful storm in 2024 cut electricity to more than half a ...

Energy & Green Tech

Sustainable production of high-quality perovskite solar cells

Perovskite solar modules provide numerous benefits. They are lightweight, highly efficient, easily scalable, and at the same time inexpensive and facile to produce. However, their commercial use still faces challenges. During ...