Energy & Green Tech news

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 ...

Energy & Green Tech

Wind and solar may help Ecuador avoid repeat of its 2024 power crisis

Researchers from the Vrije Universiteit Brussel (VUB) in Belgium and Yachay Tech University in Ecuador have come to a surprising conclusion: wind and solar energy, often criticized for their lack of predictability and dependence ...

Electronics & Semiconductors

How a 'perfectly symmetrical' 2D perovskite could boost tandem solar cells

Rice University scientists and collaborators have created a new type of two-dimensional (2D) semiconductor that comes closer than ever to a "perfect" crystal. The findings, reported in the journal Nature Synthesis, could ...

Energy & Green Tech

Waste water to clean energy: Japanese engineers harness the power of osmosis

A Japanese water plant is harnessing the natural process of osmosis to generate renewable energy that could one day become a common power source.

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

Researchers measure traffic emissions, to the block, in real-time

In a study focused on New York City, MIT researchers have shown that existing sensors and mobile data can be used to generate a near real-time, high-resolution picture of auto emissions, which could be used to develop local ...

Energy & Green Tech

Photothermal fabric panels could cut heating energy up to 23%

Researchers at the University of Massachusetts Amherst have unveiled a tool to combat climate change, fossil-fuel dependency, skyrocketing home-heating bills, and gentrification all at once—a simple fabric treated with a ...

Energy & Green Tech

Solar energy could be key to making sustainable aviation fuel

A new way of making sustainable aviation fuel that could cut the reliance on used cooking oil as a feedstock has been developed by a team of engineers led by the University of Sheffield. The new technique captures CO2 from ...

Electronics & Semiconductors

Light bends perovskite crystal lattice, opening way to new devices

New types of semiconductor devices that respond to light could be possible using materials called perovskites, according to a new study by researchers at the University of California, Davis. The work, published in Advanced ...

Energy & Green Tech

Combining nuclear waste disposal with mobile energy generation

It is common for nuclear engineers to be concerned with the disposition of nuclear waste. After all, the United States alone currently has about 90,000 metric tons of spent nuclear fuel stored in concrete casks on nuclear ...

Electronics & Semiconductors

'Energy sandwich' could power next-generation solar and lighting

Researchers have achieved a new level of control over the atomic structure of a family of materials known as halide perovskites, creating a finely tuned "energy sandwich" that could transform how solar cells, LEDs and lasers ...

Energy & Green Tech

New hope for lithium extraction from old batteries

A new study shows that lithium—a critical element used in rechargeable batteries and susceptible to supply chain disruption—can be recovered from battery waste using an electrochemically driven recovery process. The method ...

Engineering

Producing bio-methane and CO₂ directly from moist biogas

Thanks to novel flat membranes, biogas can be processed directly and energy-efficiently—even in small plants. In the Bio4Value project, the Fraunhofer Institute for Applied Polymer Research IAP in the Potsdam Science Park, ...

Energy & Green Tech

The next frontier in clean flight? Jet fuel from city waste

Aviation currently contributes about 2.5% of total global carbon emissions, and with air travel demand expected to double by 2040, cutting those emissions has become a pressing priority. One path forward is sustainable aviation ...