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

The motivation for sustainable aviation fuels

Global air travel consumes more than 100 billion gallons of jet fuel annually. That's expected to more than double by 2025 to 230 billion gallons. Despite the current pandemic, these projections reflect future anticipated ...

Energy & Green Tech

Researchers develop more efficient method to recover heavy oil

The current global supply of crude oil is expected to meet demand through 2050, but there may be a few more drops to squeeze out. By making use of a previously undesired side effect in oil recovery, researchers have developed ...

Energy & Green Tech

Invention lets rotting veggies make a greener world

For generations, kids have been coaxed into finishing their vegetables after their parents sternly advised them that it is not nice to waste food when people are starving elsewhere in the world. But someday soon, kids may ...

Energy & Green Tech

Switch to electric vehicles could 'end oil era': analysis

Emerging markets switching from petrol and diesel engines to electric vehicles (EVs) could save $250 billion annually and slash expected growth in global oil demand by as much as 70 percent, an industry analysis showed Friday.

Idaho is top pick for Energy Department nuclear test reactor

The U.S. government said Thursday that Idaho is its preferred choice ahead of Tennessee for a test reactor to be built as part of an effort to revamp the nation's fading nuclear power industry by developing safer fuel and ...

Energy & Green Tech

GM: New batteries cut electric car costs, increase range

General Motors says a pending breakthrough in battery chemistry will cut the price of its electric vehicles so they equal those powered by gasoline within five years. The technology also will increase the range per charge ...

Energy & Green Tech

Materials extinguish solar panel fires before they ignite

As solar panels become popular and their voltages increase, there is a need to have built-in capabilities to extinguish fires caused by arc-faults, which are high-power discharges of electricity that can create explosions ...

Energy & Green Tech

State commits to wind energy for 3.2M, eyes onshore sites

New Jersey formally committed itself Wednesday to using offshore wind energy to power 3.2 million homes and will study the best ways to get that electricity from ocean turbines to communities where it is needed.