Energy & Green Tech news

Engineering

Field demonstration advances on-site recycling for end-of-life railway concrete sleepers

The Korea Railroad Research Institute (KRRI) conducted a field demonstration May 13 at a concrete sleeper storage site near Gimyujeong Station in Chuncheon for railway industry officials and other stakeholders, showcasing ...

Energy & Green Tech

Consumer camera modification offers low-cost way to assess solar cell performance

Commercial cameras can be powerful, producing images with exquisite detail that mimic real life. In the lab, specially designed cameras can photograph objects in the infrared region, invisible to the naked eye.

Energy & Green Tech

Researchers evaluate materials for solid-state batteries under practical manufacturing conditions

A battery material can meet key performance measures in a small laboratory cell yet fall short when researchers build it into a complete battery cell. At the Department of Energy's (DOE) Oak Ridge National Laboratory (ORNL), ...

Energy & Green Tech

Real-world EV data reveal how uneven cell aging shortens battery lifespan

Electric vehicles (EVs), including cars, buses and trains, could significantly reduce the substantial greenhouse gas emissions produced by the transportation sector. These vehicles' performance and reliability over time, ...

Energy & Green Tech

Bike-sharing can make big dent in tailpipe emissions

Five heavily used bikes could take the emissions from one fossil fuel-powered car off Vancouver's roads, according to Simon Fraser University researchers, who say expanding bike-share networks can play a big role in curbing ...

Energy & Green Tech

Renewables hit record in 2025, but world must move faster: Report

Global renewable power capacity grew by record levels last year, a report showed Monday, hailed by the U.N. climate chief as a sign that the "brute power of market forces" is making the transition to clean energy irreversible.

Energy & Green Tech

EU proposes energy rating for data centers

Data centers in Europe will be rated on energy and water consumption under an EU proposal put forward Monday to pre-empt possible public discontent as the bloc pushes to boost its computing capacity.

Electronics & Semiconductors

Harvesting hot electrons could break solar panel barrier

Physics predicts that no more than 33% of the solar energy that falls on a solar panel can be converted into electricity. However, experiments and simulations by scientists at the University of Groningen in the Netherlands ...

Energy & Green Tech

Using light to track critical currents in the power grid

The increasingly complex network of electricity generators and consumers poses major challenges for Austria's energy transmission infrastructure. For example, the use of increasingly powerful inverters and rectifiers in the ...

Energy & Green Tech

Doubts as Italy eyes electric future for steel plant

Italy's government says the country's largest steelworks must be converted to electric furnaces after a court-ordered shutdown of polluting furnaces but, as Rome seeks a buyer, critics say its plan is woefully unsubstantiated.

Engineering

Better batteries begin with optimized slurry processing

Lithium-ion batteries are essential to modern life, powering electric vehicles, portable electronics, and energy storage systems. While major advances have improved battery materials, important challenges remain in manufacturing, ...

Engineering

Solar-powered gel pulls drinking water from the air

Scientists in recent years have sought to efficiently draw moisture from ambient air and condense it into potable water using materials made of salt and absorbent polymers. But these materials, known as hydrogels, until now ...

Energy & Green Tech

Copper cold plates could slash data-center energy usage

Mechanical engineers have designed a more effective and energy-efficient technology for cooling computer chips. Published in Cell Reports Physical Science, the researchers used a mathematical algorithm and advanced 3D printing ...

Engineering

Cooling without pumps: New measurement data for modular reactors

Passive cooling systems for nuclear power plants operate without pumps or electricity: They rely solely on physical effects such as density differences to dissipate heat. Researchers at the Paul Scherrer Institute PSI have ...