Clean Energy
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Sweden's CorPower has announced "breakthrough" results from Atlantic ocean testing of its full-scale floating generators, which cleverly time their motions to amplify smaller waves while protecting themselves against dangerous storm conditions.
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A nanoporous material that holds hydrogen at twice the density of cryogenic liquid H2 could address the challenges of large-scale liquid and gas storage that have held this clean fuel back.
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A potentially game-changing and largely unexplored energy jackpot lies beneath the ocean floor, according to a whitepaper from geoscience tech consultancy CGG. Unique conditions under the sea bed promise cheaper and more accessible geothermal power.
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Solar cell efficiency may get a bump from bumps. New research suggests that building tiny domes into the surface of organic solar cells could boost their efficiency by up to two-thirds, while capturing light from a wider angle.
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Geothermal development company Fervo Energy has announced impressive strides being made at its Cape Station facility in southern Utah. The results could lead to a quicker and more widespread uptake of this super-clean energy production process.
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Minesto's fully operational Dragon 12 looks like some sort of futuristic military drone – but it behaves remarkably like a kite underwater. It uses lift generated by tidal flows to fly patterns faster than the currents, harvesting renewable energy.
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Wave energy remains one of the least-exploited clean energy options, with huge potential as part of a green energy grid. Finland's AW Energy is preparing to field a contender at scale – the Waveroller – which sits on the sea bed generating up to 1 MW.
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A Northwestern University team has demonstrated a remarkable new way to generate electricity, with a paperback-sized device that nestles in soil and harvests power created as microbes break down dirt – for as long as there's carbon in the soil.
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The world needs gargantuan amounts of clean energy moving forward, making this an area of colossal and growing opportunity for disruptive innovations. Here are some of the fascinating energy ideas and technologies that made us most hopeful in 2023.
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T-Omega's pyramid-based floating wind turbines are designed with the sole common-sense focus of keeping the cost of offshore wind down to an absolute minimum. With wave tank testing done, the company has now launched its first real-world prototype.
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Researchers in Jordan and Qatar have come up with a remarkable design for a "twin technology solar system" capable of generating clean energy 24/7. This double-action design promises more than twice as much energy as a standard solar updraft tower.
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Ships can become mobile wave energy converters, say Chinese researchers, using "heaving oscillators" that draw power from heaving, rolling and pitching movements as they move through the sea, while also acting as motion dampers to improve safety.
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