Energy & Green Tech news

Energy & Green Tech

Daylight saving was meant to save energy. Do we still need it in the age of LEDs?

When the clocks go back each October, we gain an hour of sleep and lose an hour of evening daylight. The practice of moving the clocks forward in spring was introduced partly to save energy, by making better use of daylight ...

Energy & Green Tech

50 years later, Amory Lovins' soft energy path meets electrification

Hurricane Belle was barreling toward New England in August 1976 when an editor from Foreign Affairs called. Physicist Amory Lovins took the call on a payphone in a shack in the Maine woods, where he spent summers as a camp ...

Energy & Green Tech

Cation disorder could improve lithium-rich cathodes, study shows

Lithium-rich cathode materials are promising candidates for next-generation batteries, as they can store considerably more charge than materials used today in electric vehicles and electronics.

Energy & Green Tech

Data-driven operation of biogas plants: Generating electricity when wind and solar power are scarce

Biogas plants are considered the third pillar of renewable electricity generation in Germany. Unlike solar and wind power, electricity generation from biogas is largely independent of weather conditions and can generally ...

Energy & Green Tech

Doubling hydrogen production through a synergy of materials

Many chemical processes require hydrogen, which is still being produced from fossil fuels. A protonic ceramic electrolyzer cell (PCEC) is a device that can produce hydrogen from water at temperatures that match key industrial ...

Energy & Green Tech

Finland grants license for world's first nuclear waste repository

Finland's government has granted an operating license for the world's first permanent repository for radioactive spent nuclear fuel, waste management company Posiva said Thursday, 22 years after construction began on the ...

Engineering

Turning coffee waste into 3D-printed architectural forms

RMIT researchers have turned coffee waste into 3D-printed architectural forms, opening a potential pathway towards more sustainable, low-carbon construction. The project brings together scientific, architectural and engineering ...

Engineering

Turning waste into fuel could help cut cement's carbon footprint

Waste that would otherwise end up in a landfill could help low-carbon cement production by reducing the industry's reliance on fossil fuels, according to Adelaide University researchers. Ph.D. candidate Geethmi Thisakya, ...

Engineering

Safety-conscious drop tower improves TN bridges

If you are inside the John D. Tickle Engineering Building at the University of Tennessee, Knoxville, and think you hear a semitruck slamming into a highway overpass, your ears aren't deceiving you. You've just stopped by ...

Robotics

Swapping batteries for hydrogen gives drones a whole new range

Researchers have built a drone that runs on hydrogen, to replace battery-powered drones that are too heavy and have too short a range. This technology could help fix power outages faster and replace dangerous helicopter missions ...

Energy & Green Tech

Off-grid buildings cut emissions with solar roof innovation

Off-grid buildings in warm climates could cut their carbon emissions by more than half and reduce energy costs to just $0.15 per kilowatt-hour through a combination of rooftop solar panel shading and thin layers of heat-absorbing ...

Energy & Green Tech

New dataset maps NZ's energy demand to 2050

A new UC open dataset reveals how New Zealand's hourly and regional energy demand could evolve by 2050. Published in the journal Scientific Data, the dataset provides publicly available projections of energy demand across ...