Tech Xplore - gas emissions

Study investigates the extent to which e-scooters and e-bikes displace cars using real-world data

Drastically reducing greenhouse gas emissions is of utmost importance to mitigate climate change and its detrimental effects. To work toward this goal, most automotive and transport companies are investing in hybrid and electric ...

Nov 11, 2022 feature

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Study finds heat pumps more efficient than gas or oil

As the year 2030 approaches, governments and industry leaders are actively studying ways to meet a European climate law aiming to reduce greenhouse gas emissions by at least 55%. The European Green Deal initiative has set ...

Sep 12, 2023 report

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A life-cycle assessment of the production of hydrogen from natural subsurface accumulations

Adam Brandt, an energy science and environmental engineer at Stanford University, has conducted a life-cycle assessment of hydrogen production from natural subsurface accumulations, also known as geological hydrogen extraction, ...

Jul 28, 2023 report

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Enzymes could make it cheaper to recycle waste polyester textiles and bottles than making them from petroleum

What do a T-shirt, a rug, and a soda bottle have in common? Many are made from polyethylene terephthalate (PET), a ubiquitous plastic that revolutionized the materials industry after it was patented in the 1940s.

Dec 22, 2022

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Study: In most cases entities behind Renewable Energy Certificates are not doing much for the climate

A small team of researchers at Concordia University, working with a colleague at the University of Edinburgh Business School, reports that many companies' environmental claims are exaggerated due to their reliance on the ...

Jun 10, 2022 report

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China is on track to meet its ultra-low emissions goals for 2020, study finds

Polluting emissions from Chinese thermal power plants declined significantly between 2014 and 2017, according to research involving UCL.

Oct 7, 2019

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A Jetsons future? Assessing the role of flying cars in sustainable mobility

In the 1960s animated sitcom The Jetsons, George Jetson commutes to work in his family-size flying car, which miraculously transforms into a briefcase at the end of the trip.

Apr 9, 2019

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Predicting the sustainability of a future hydrogen economy

As renewable energy sources like wind and solar ramp up, they can be used to sustainably generate hydrogen fuel. But implementing such a strategy on a large scale requires land and water dedicated to this purpose.

Sep 21, 2023

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Analysis reveals benefits of hydropower for grid-scale energy storage

Closed-loop pumped storage hydropower systems rank as having the lowest potential to add to the problem of global warming for energy storage when accounting for the full impacts of materials and construction, according to ...

Aug 18, 2023

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Researchers develop new carbon-capture solution for a cleaner, more energy-dense fuel source

Over the past three centuries, especially since the Industrial Revolution in the late 18th and 19th centuries, human activities have significantly increased greenhouse gas levels in the Earth's atmosphere. The main culprits ...