Energy & Green Tech news
Energy & Green Tech
In Texas, a rancher swaps his oil pumps for wind turbines
Cattle rancher Bobby Helmers cranes to listen as the blades of his six giant wind turbines slice through the air in the same Texas fields that once echoed with the sounds of oil pumps.
2 hours ago
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Energy & Green Tech
Mapping performance variations to see how lithium-metal batteries fail
Scientists have identified the primary cause of failure in a state-of-the-art lithium-metal battery, of interest for long-range electric vehicles. Using high-energy X-rays, they followed the cycling-induced changes at thousands ...
19 hours ago
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Electronics & Semiconductors
Researchers develop power converter for long-distance, underwater electric grids
A team of researchers from Utah State University's Power Electronics Lab have developed a DC current-to-DC voltage power converter. This converter is equipped for long distances and minimal maintenance, making it particularly ...
Apr 16, 2021
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Energy & Green Tech
Researchers creating a safer, cleaner way to recover rare-earth metals from old phones and laptops
Rare-earth metals are critical to the high-tech society we live in as an essential component of mobile phones, computers and many other everyday devices. But increasing demand and limited global supply means we must urgently ...
Apr 16, 2021
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Engineering
How to create better cities when the pandemic is over
Throughout the past year of working from home, I have gone for numerous morning, lunchtime and evening walks around my neighborhood in the Eastern parts of Lund in Sweden. My neighborhood has three dams for storing stormwater ...
Apr 16, 2021
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Engineering
Novel use of 3D geoinformation to identify urban farming sites
Urban farming has picked up in scale and sophistication globally in recent years. Several innovative urban farming approaches have been introduced in Singapore, such as rooftop farming, optimisation of land use, the introduction ...
Apr 16, 2021
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Energy & Green Tech
To cool tomorrow's buildings, power sector must grow
Temperatures are rising. Eight of the warmest 10 recorded years of globally averaged temperature have occurred after 1998. Coupled with that increase is a growing demand for electricity to cool buildings. A new study published ...
Apr 15, 2021
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Energy & Green Tech
Transparent nanolayers pave the way for production of silicon solar cells with more than 26% efficiency
There is no cheaper way to generate electricity today than with the sun. Power plants are currently under construction in sunny locations that will supply solar electricity for less than 2 cents per kilowatt hour. Solar cells ...
Apr 15, 2021
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Energy & Green Tech
Experts' predictions for future wind energy costs drop significantly
Technology and commercial advancements are expected to continue to drive down the cost of wind energy, according to a survey led by Lawrence Berkeley National Laboratory (Berkeley Lab) of the world's foremost wind power experts. ...
Apr 15, 2021
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Energy & Green Tech
Mercedes rolls out luxury electric car in duel with Tesla
Daimler AG on Thursday unveiled a battery-powered counterpart to its top Mercedes-Benz luxury sedan as German carmakers ramp up their challenge to electric upstart Tesla.
Apr 15, 2021
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Energy & Green Tech
Discount on charging electric cars helps to solve traffic jams
Charging electric cars can put a strain on the electricity grid. And commuting to work by car can cause traffic congestion. Ph.D. student Carlo Cenedese at the University of Groningen, the Netherlands, linked energy use and ...
Apr 15, 2021
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Engineering
Membrane design prevents crossover in polysulfide redox flow batteries
Two researchers at the Chinese University of Hong Kong have developed a new membrane design that prevents crossover in polysulfide redox flow batteries. In their paper published in the journal Nature Energy, Zhejun Li and ...
Apr 14, 2021 report
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Energy & Green Tech
Floating solar farms could cool down lakes threatened by climate change
Solar power is now the cheapest source of electricity in history, according to a 2020 report by the International Energy Agency. But there's something holding this clean energy powerhouse back: space. Unlike fossil fuel power ...
Apr 13, 2021
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Energy & Green Tech
EU lacking sufficient electric cars charging infrastructure
In line with its ambition to make Europe a greener place, the European Union wants to drastically reduce gas emission from transport by 2050 and promote electric cars. But according to a report from the bloc's external auditor, ...
Apr 13, 2021
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