Energy & Green Tech news

Engineering

Study highlights complex ocean conditions facing world's most powerful tidal turbine

The number of tidal power and other offshore renewable energy installations is set to grow significantly around the UK coastline over the coming decades.

Energy & Green Tech

Organic supramolecular crystals with high hydrogen storage performance could enhance fuel-cell vehicle efficiency

Hydrogen is often seen as the fuel of the future on account of its zero-emission and high gravimetric energy density, meaning it stores more energy per unit of mass compared to gasoline. Its low volumetric density, however, ...

Energy & Green Tech

Untapped potential: Study shows how water systems can help accelerate renewable energy adoption

Stanford-led research reveals how water systems, from desalination plants to wastewater treatment facilities, could help make renewable energy more affordable and dependable. The study, published Sept. 27 in Nature Water, ...

Energy & Green Tech

New continuous reaction process can help turn plant waste into sustainable aviation fuel

Washington State University scientists successfully tested a new way to produce sustainable jet fuel from lignin-based agricultural waste. Published in the journal Fuel Processing Technology, the team's research demonstrated ...

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

How energy modelling influences policymaking and vice versa

Energy models are used to explore different options for the development of energy systems in virtual "laboratories". Scientists have been using energy models to provide policy advice for years. As a new study shows, energy ...

Energy & Green Tech

Recharged: Energy seen as big winner after disastrous 2020

Energy companies spent the first quarter of 2021 recharging from a draining year. Wall Street expects that growth to continue as energy companies and many of the other companies beaten down by the virus benefit from the vaccine ...

Electronics & Semiconductors

Study finds new inroads in fast charging for lithium-ion batteries

Perhaps the most frustrating limitation of owning an all-electric car is how long it takes to fully charge the battery. For a Tesla, for example, it takes about 40 minutes to charge it to 80% capacity using the most powerful ...

Energy & Green Tech

Los Angeles now has a road map for 100% renewable energy

Los Angeles is one of the last places in California still burning coal for electricity—and if all goes according to plan, it could become one of the country's first major cities to nearly eliminate fossil fuels from its ...

Energy & Green Tech

How Biden can jumpstart U.S. nuclear waste strategy

Nuclear power is likely to be key to the clean energy transition, but the problem of what to do with nuclear waste represents a major hurdle to new nuclear energy projects in the United States. In order to meet its ambitious ...

Engineering

Study reveals plunge in lithium-ion battery costs

The cost of the rechargeable lithium-ion batteries used for phones, laptops, and cars has fallen dramatically over the last three decades, and has been a major driver of the rapid growth of those technologies. But attempting ...

Engineering

Big breakthrough for 'massless' energy storage

Researchers from Chalmers University of Technology have produced a structural battery that performs ten times better than all previous versions. It contains carbon fiber that serves simultaneously as an electrode, conductor, ...

Energy & Green Tech

First closeups of how a lithium-metal electrode ages

The same process that drains the battery of your cell phone even when it's turned off is even more of a problem for lithium-metal batteries, which are being developed for the next generation of smaller, lighter electronic ...

Energy & Green Tech

Mini-fuel cell delivers maximum performance

EPFL startup INERGIO has just unveiled a prototype for a lightweight, eco-friendly, high-performance fuel cell that can supply energy in situations where there's no power grid. Its system can be used to run delivery drones, ...

Energy & Green Tech

Turning seawater into stored energy

Afew years ago, Harvard chemist Daniel Nocera, along with collaborators from Harvard Medical School, created a system that uses sunlight to split water molecules and combine them with carbon dioxide from air to produce renewable ...

Energy & Green Tech

'Das Auto' goes electric as VW takes on Tesla

When Volkswagen chief executive Herbert Diess joined Twitter in January, he used his first tweet to warn pioneering electric car maker Elon Musk that he was coming after him.

Engineering

Novel cathode designed for high-performance sodium ion batteries

Due to their large-scale energy storage, sodium ion batteries (SIBs) are a promising alternative to lithium-ion batteries (LIBs). However, it's challenging to develop high-energy and high-power SIBs due to the greater atomic ...