Energy & Green Tech news

Energy & Green Tech

Electric vehicles could catch on in Africa sooner than expected

The number of vehicles in Africa is expected to double between now and 2050—faster than on any other continent. The question is not whether mobility will increase, but how. A new study led by researchers at ETH Zurich and ...

Energy & Green Tech

California wants to mix hydrogen with gas to cut climate pollution. Critics say that poses risks

Alma Figueroa began to worry when she learned that her gas provider wanted to test a controversial solution to curb global warming: blend hydrogen with natural gas to power her stove and other appliances. Figueroa, who has ...

Energy & Green Tech

New technique could facilitate faster nuclear forensics

Researchers at Los Alamos National Laboratory have, for the first time, used a breakthrough technique with a goal of better identifying the origin of nuclear materials—a tool that could someday help efforts to prevent the ...

Energy & Green Tech

Greenland's harsh environment and lack of infrastructure have prevented rare earth mining

Greenland's harsh environment, lack of key infrastructure and difficult geology have so far prevented anyone from building a mine to extract the sought-after rare earth elements that many high-tech products require. Even ...

Energy & Green Tech

Ionogel innovation could power safe, enduring energy storage

Researchers at the Department of Energy's Oak Ridge National Laboratory have developed an innovative energy storage system design that introduces a safer, more efficient method for electrical charge transfer.

Energy & Green Tech

AI data centers could stabilize the power grid

The rapid development and widespread use of artificial intelligence (AI) systems is posing new challenges for electricity consumption. This is because most AI systems rely on data centers, facilities hosting several computing ...

Energy & Green Tech

Q&A: How AI could optimize the power grid

Artificial intelligence has captured headlines recently for its rapidly growing energy demands, and particularly the surging electricity usage of data centers that enable the training and deployment of the latest generative ...

Energy & Green Tech

Solar hydrogen can now be produced efficiently, no platinum required

A research team led by Chalmers University of Technology, Sweden, has presented a new way to produce hydrogen gas without the scarce and expensive metal platinum. Using sunlight, water and tiny particles of electrically conductive ...

Business

A bold new blueprint for economically viable solar hydrogen

A review reimagines solar-driven water electrolysis not as a mere hydrogen production technology but instead as a relatively versatile platform for sustainable chemical manufacturing, according to Professor Fatwa F. Abdi ...

Energy & Green Tech

China trials 'energy-saving' underwater data centers

Power-hungry data centers run hot, so one Chinese company is planning to submerge a pod of servers in the sea off Shanghai with hopes of solving computing's energy woes.

Energy & Green Tech

Cobalt exsolution technique boosts solid oxide fuel cell performance

Fuel cells are an efficient, clean alternative to traditional fossil-fuel-based energy systems. Solid oxide fuel cells (SOFCs) are especially attractive due to their ability to use multiple fuels, high efficiency and reversibility. ...

Energy & Green Tech

Concrete 'battery' now packs 10 times the power

Concrete already builds our world, and now it's one step closer to powering it, too. Made by combining cement, water, ultra-fine carbon black (with nanoscale particles), and electrolytes, electron-conducting carbon concrete ...

Energy & Green Tech

Quantum computing can make HVAC systems smarter and greener

Residential heating, ventilation, and air conditioning (HVAC) systems constitute a significant proportion of energy usage in buildings, necessitating energy management optimization. In this context, occupancy-aware HVAC control ...

Energy & Green Tech

Power-outage exercises strengthen resilience of US military bases

In recent years, power outages caused by extreme weather or substation attacks have exposed the vulnerability of the electric grid. For the nation's military bases, which are served by the grid, being ready for outages is ...

Engineering

Battery cathode recycling achieved with single-step process

A new battery recycling method developed by Illinois Grainger engineers removes scarce, expensive metals from old battery cathodes and coats them onto new cathodes in a single step. The result is significantly more affordable, ...

Business

Dynamic database addresses vanadium supply flow

Scientists at PSI have created a dynamic database for vanadium, an important raw material. This metal has enormous potential for the energy transition. Vanadium redox flow batteries (VRFB) can store electricity for longer ...