Engineering
It already works: there are several approaches to using solar energy to split water and produce hydrogen. Unfortunately, this "green" hydrogen has so far been more expensive than "gray" hydrogen from natural gas.
Oct 5, 2023
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93
Energy & Green Tech
Since the Industrial Revolution, the environmental impacts of energy have posed a concern. Recently, this has driven researchers to search for viable options for clean and renewable energy sources.
Jan 28, 2020
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1861
Energy & Green Tech
Perovskite solar cells designed by a team of scientists from the National University of Singapore (NUS) have attained a world record efficiency of 24.35% with an active area of 1 cm2. This achievement paves the way for cheaper, ...
Jun 22, 2023
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1100
Engineering
A group of scientists have found compressed air energy storage systems to have the potential of replacing conventional electrochemical batteries as a cheaper alternative, and with better storage capacity that is even sufficient ...
Feb 5, 2024
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86
Energy & Green Tech
A new form of wave devouring propulsion (WDP) could power ships and help to cut greenhouse gas emissions in the maritime industry. Academics from Cranfield University have worked on the concept of using wave energy for propulsion ...
Nov 24, 2023
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105
Energy & Green Tech
Ambitions to make hydrogen a key energy carrier for a climate friendly future are misguided, says Anthony Patt. Wherever possible, including ground transportation and heating, we should replace fossil fuels with the direct ...
Nov 24, 2021
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85
Energy & Green Tech
Past research suggests that climate change and energy systems have a bidirectional relationship. In other words, just like emissions from energy systems can fuel climate change, climate change could also expose the vulnerabilities ...
Energy & Green Tech
Researchers have made tiny 'skyscrapers' for communities of bacteria, helping them to generate electricity from just sunlight and water.
Mar 7, 2022
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1157
Energy & Green Tech
With new major spending packages investing billions of dollars in electric vehicles in the U.S., some analysts have raised concerns over how green the electric vehicle industry actually is, focusing particularly on indirect ...
Dec 21, 2021
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804
Energy & Green Tech
Soon we will be able to replace fossil fuels with a carbon-neutral product created from solar energy, carbon dioxide and water. Researchers at Uppsala University have successfully produced microorganisms that can efficiently ...
Jul 26, 2019
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