Energy & Green Tech news

Energy & Green Tech

Nepal dam-building spree powers electric vehicle boom

Taxi driver Surendra Parajuli's decision to buy an electric cab would have been unthinkable a decade ago, when chronic power cuts left Nepalis unable to light their homes at night.

Energy & Green Tech

Radiant-convective heating terminal show potential for improved indoor thermal environment for intermittent heating

A recent study published in Engineering, "Indoor Thermal Environment Improvement Based on Switchable Radiation/Convection-Combined Intermittent Heating: Comparison between Conventional Terminals and Integrated Novel Terminal," ...

Business

Clean energy transition: The impact of financial costs on the development of renewable energy sources

It is widely recognized that finance is one of the critical enablers of accelerating climate action. However, renewable energy deployment (particularly in developing countries) requires more financing than fossil fuel-based ...

Engineering

Novel recycling process for rare-earth elements could improve green technology and boost carbon neutrality

In a recent study published in Engineering, researchers from Kyoto University have unveiled a novel method for the efficient separation and recycling of rare-earth elements (REEs) from end-of-life magnets. This innovative ...

Engineering

Which is ecologically better: Concrete or plastic pipes?

On behalf of the FBS (Federal Association of Concrete Sewer Systems), Fraunhofer UMSICHT prepared a life cycle assessment of the environmental impact of wastewater pipes made of (steel) concrete. This also functions as an ...

Energy & Green Tech

Solar panels soon may power and protect apple orchards

A small experimental apple orchard at Cornell's Hudson Valley Research Laboratory may soon be topped by solar panels, which would not only track the sun to capture energy, but provide a warm canopy on cooler spring days and ...

Energy & Green Tech

Study shows US can cut greenhouse gas emissions by 65% by 2035

Dramatically expanding climate-action policies across all levels of government, sectors of society and the economy could slash U.S. greenhouse gas emissions by 65% by 2035 compared to 2005 levels, according to a new report ...

Business

Can cryptocurrencies ever be green?

Cryptocurrencies have been condemned over their environmental record at a time when traditional investments have been rapidly moving towards greener environmental, social and governance (ESG) values. So how long will it be ...

Energy & Green Tech

Philippines bans new coal-fired projects

By declaring a moratorium on the construction of greenfield coal power plants in a statement issued on 27 October, the Philippines has announced intent to follow other Asia Pacific countries into a green future.

Energy & Green Tech

Japan's Toshiba retreats from coal-fired power stations

Japanese engineering giant Toshiba will not build any more coal-fired power plants and will shift to renewable energy in a bid to reduce greenhouse emissions, the company's president said Wednesday.

Energy & Green Tech

Researchers speed power grid simulations using AI

Most modern phones and cars are programmed to "learn" from their environment—sounds, facial features, and even common driving routes. Patterns of recognition allow these systems to accurately predict and suggest preferred ...

Energy & Green Tech

Smart devices to schedule electricity use may prevent blackouts

Power plants generate electricity and send it into power lines that distribute energy to nodes, or sites, where it can be used. But if the electricity load is more than the system's capacity, transmission can fail, leading ...

Energy & Green Tech

Solar perovskite production on a roll

High-performance perovskite solar cells are made using a manufacturing-friendly liquid-based process suitable for roll to roll production.

Energy & Green Tech

Electrifying growth of renewables despite pandemic

The coronavirus pandemic may have dealt a blow to energy demand but growth of renewables in the electric power sector has continued at a record pace, an IEA report said Tuesday.

Energy & Green Tech

Creating 3-D virtual replicas of all-solid-state batteries

We live in a battery-powered world, and as electronics steadily permeate its every corner, the need to find robust batteries grows increasingly important. Today, most devices run on lithium-ion batteries; and while these ...

Energy & Green Tech

How hybrid electric and fuel aircraft could green air travel

With air traffic set to increase 5% every year until 2030, scientists are looking at how to make aeroplanes more sustainable. But with current batteries making electric aircraft far too heavy, hybrid fuel and electric models ...

Energy & Green Tech

How to accelerate solar adoption for the underserved

As rooftop solar prices have fallen, many households at all income levels can now save money by going solar. Nonetheless, low- and moderate-income households remain less likely to adopt solar than high-income households. ...

Energy & Green Tech

Australia constructing giant 300-megawatt battery

Australia is poised to construct one of the world's largest batteries, using Tesla's technology for lithium-ion batteries. The football-field sized battery will provide up to 300 megawatts of power output and 450 megawatts-hours ...

Energy & Green Tech

Scientists develop energy-saving 'liquid window'

Scientists at the Nanyang Technological University, Singapore (NTU Singapore) have developed a liquid window panel that can simultaneously block the sun to regulate solar transmission, while trapping thermal heat that can ...