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.
17 hours ago
0
13
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 ...
13 hours ago
0
3
Safer, water-based zinc-ion battery delivers 900-cycle durability
Researchers at the FAMU-FSU College of Engineering have developed a rechargeable zinc-ion battery that uses low-cost materials and a simplified water-based assembly process to make safer, reliable batteries. The approach ...
20 hours ago
0
5
A 1.9 billion-year-old bedrock will soon house the world's first permanent nuclear waste site
With the push of a button, the elevator descends hundreds of meters in seconds into the dark depths of Onkalo.
Apr 9, 2026
0
5
States are struggling to meet their clean energy goals. Data centers are to blame
Nevada's largest utility says it will need three times the electricity required to power Las Vegas just to handle proposed data centers—and it probably can't do that without fossil fuels.
Apr 9, 2026
0
3
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 ...
Apr 8, 2026
0
24
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 ...
Apr 8, 2026
0
14
Energy & Green Tech
New hydrogen fuel cell design could unlock key clean energy technology
UNSW researchers have redesigned hydrogen fuel cells to solve a critical flaw, bringing clean energy for aviation, heavy transport and beyond closer to reality. Hydrogen fuel cells, using locally produced green hydrogen as ...
Apr 8, 2026
0
20
Energy & Green Tech
Study maps regions with the greatest potential for green hydrogen production and use in Brazil
A study analyzing data from thousands of Brazilian municipalities identified regions with the greatest potential for producing and using green hydrogen, a fuel considered strategic for decarbonizing emission-intensive industrial ...
Apr 8, 2026
0
4
Energy & Green Tech
Research examines economic patterns linked to local renewable energy restrictions in Indiana
A new policy brief from Ball State University's Center for Business and Economic Research (CBER) examines how county-level restrictions on utility-scale wind and solar development in Indiana are associated with employment, ...
Apr 8, 2026
0
4
Electronics & Semiconductors
Cheaper thermoelectrics? Silver selenide approaches performance level of commercial materials
Thermoelectric (TE) materials, which can directly convert heat into electricity and vice versa, are attracting significant attention as key energy technologies for applications such as electronic cooling and waste heat recovery. ...
Apr 8, 2026
0
5
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 ...
Apr 7, 2026
0
33
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 ...
Apr 7, 2026
0
11
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 ...
Apr 7, 2026
0
9
Energy & Green Tech
New global model reveals hidden UV risk for next-generation solar panels
Engineers from UNSW have created a worldwide UV radiation map for solar panels, highlighting major differences in exposure depending on climate and mounting systems. Their new global study has revealed that ultraviolet (UV) ...
Apr 7, 2026
0
6
Software
New software could cut cooling energy use by 25% in data centers
Data centers consume millions of homes' worth of electricity each year, with much of that electricity simply powering the cooling systems that keep the facilities operational. Researchers at Penn State are addressing this ...
Apr 7, 2026
0
6
Energy & Green Tech
Framework offers method for planning electricity expansion in hydro-dependent systems
In many countries, hydropower provides a dominant share of the electricity supply. This dependence brings environmental benefits and competitive costs, but it also creates a vulnerability: When droughts occur or rainfall ...
Apr 7, 2026
0
4
Energy & Green Tech
Solar reactor uses old battery acid to turn plastic waste into clean hydrogen
Researchers have developed a solar-powered reactor to break down hard-to-recycle forms of plastic waste—such as drink bottles, nylon textiles and polyurethane foams—using acid recovered from old car batteries, and converting ...
Apr 6, 2026
0
163
Engineering
High-entropy design achieves 3-fold increase in hydrogen production
While mixing materials typically leads to instability, there exists a phenomenon known as high entropy, where increasing compositional complexity can actually enhance stability. KAIST researchers have leveraged this principle ...
Apr 6, 2026
0
18
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 ...
Apr 6, 2026
0
10
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 ...
Apr 4, 2026
0
18
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.
Apr 3, 2026
0
75
Energy & Green Tech
Breaking fuel cell barriers: New platinum catalyst brings high-efficiency hydrogen vehicles closer to commercialization
A research team has developed a next-generation platinum-based catalyst that improves both activity and durability in hydrogen fuel cells. The study is published in Advanced Materials. The team was led by Professor Sang Uck ...
Apr 3, 2026
1
23
Engineering
Gold coating could solve long-standing challenge with zinc batteries
As the demand for more reliable power systems grows in the renewable energy sector, the race is on to develop batteries that cost less but have a longer lifespan. While zinc-based batteries are safer and more cost-effective ...
Apr 2, 2026
0
22
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 ...
Apr 2, 2026
0
20
