Energy & Green Tech news

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

Scientists simplify design and servicing of vanadium flow batteries to balance power grid

Skoltech scientists have presented a model that facilitates the design and operation of vanadium redox flow batteries. These are large-scale storage units for electrical power that promise to play a major part in the energy ...

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 ...

Engineering

Innovative electrolytes could transform steelmaking and beyond

The lifeblood of any battery is the electrolyte. It is the medium through which positively charged elements (cations) migrate en masse between the positive and negative electrodes. By this means, batteries discharge to provide ...

Energy & Green Tech

Higher blends of biodiesel fuel could cut transportation emissions

Barriers that are currently preventing the use of greater percentages of biomass-based diesel fuel blended into petroleum diesel have been identified, along with strategies to overcome them, according to researchers at the ...

Energy & Green Tech

Composing new energy systems

Modern, decentralized energy systems are a highly complex matter. Planning them in an optimal and cost-efficient way is a major challenge for energy planners. Sympheny, an Empa spin-off, offers a software that helps planners ...

Engineering

Sustainably produced high-speed helicopters

Fast, lightweight and fuel efficient: RACER, the high-speed helicopter reaches flying speeds of up to 400 kilometers per hour. The components of its outer shell are made by an innovative, highly automated manufacturing process. ...

Energy & Green Tech

Washington state blackouts hit same customers repeatedly

The rolling blackouts that cut electricity for tens of thousands of Spokane, Washington, residents amid this week's record-breaking heat wave mostly hit the same power customers repeatedly because of strains on equipment ...

Energy & Green Tech

A better method to predict offshore wind power

Rutgers researchers have developed a machine learning model using a physics-based simulator and real-world meteorological data to better predict offshore wind power.

Energy & Green Tech

Steering wind turbines creates greater energy potential

As wind passes through a turbine, it creates a wake that decreases the downstream average wind velocity. The faster the spin of the turbine blades relative to the wind speed, the greater the impact on the downstream wake ...

Energy & Green Tech

How to build a better wind farm

Location, location, location—when it comes to the placement of wind turbines, the old real estate adage applies, according to new research published in Proceedings of the National Academy of Sciences by Carnegie's Enrico ...

Energy & Green Tech

Why nuclear energy isn't a safe bet in a warming world

The overwhelming majority of nuclear power stations active today entered service long before the science of climate change was well-established. Two in five nuclear plants operate on the coast and at least 100 have been built ...

Energy & Green Tech

World's second-largest hydropower dam goes online in China

China began operating the world's second-largest hydropower station on Monday in what officials hailed as a milestone towards Beijing's carbon neutrality goals, despite warnings of environmental damage.

Energy & Green Tech

Study offers plan to overcome hurdles for hydrogen energy

The U.S. is counting on hydrogen to play a significant role in the low-carbon economy of the future, but fundamental questions about transportation, storage and cost need to be addressed in order to integrate hydrogen gas ...