Getting climate, energy & environment news right.

Centrus Competes Construction, Initial Testing of HALEU Demonstration Cascade
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Centrus Competes Construction, Initial Testing of HALEU Demonstration Cascade

"Centrus’s pioneering cascade uses gas centrifuge machines, which feed uranium hexafluoride (UF6)—heated to a gaseous state—into a rotor inside the centrifuge machine. A rotor spinning at high speed inside a steel casing uses centrifugal force to concentrate the heavier U-238 isotopes at the outer wall of the rotor and the lighter U-235 isotopes toward the rotor center. The streams are then fed to the next machines in a “cascade” to achieve the desired level of enrichment. Centrus will use a 4.95% LEU feed material for its planned HALEU 16 AC100M-centrifuge cascade. It suggests roughly 85% of the separative work units (SWU)—a measure of enrichment needed to produce HALEU—is already contained in the LEU feed material."

Maximizing the climate benefits of natural gas exports
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Maximizing the climate benefits of natural gas exports

"Some opponents of gas contend that new gas pipelines will lock in long-term emissions, but much gas infrastructure can be retrofitted to carry hydrogen or carbon dioxide captured from power plants. European companies announced recently they will build new power plants that will run first on gas, then on hydrogen produced from gas with carbon capture and storage, and finally on hydrogen made using renewable energy. These investments are an example of what many energy technology experts expect to be a variegated electricity production system, with the wide range of natural gas and hydrogen related plants getting power from differing but increasingly clean sources."

How Ranching And Solar Co-Exist In Texas
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How Ranching And Solar Co-Exist In Texas

"Unlike a standard oil and gas lease, which typically comes with a 3 to 5-year term during which a successful well may or may not be drilled, this solar lease comes with a 35-year term that includes a certain stream of annual income. It won’t make the rancher fabulously wealthy overnight like an oil gusher can, but then, oil gushers have never been a feature of this particular part of the vast Texas landscape."

These ‘Hydropanels’ Attach to Homes Just Like Solar Panels — and They Create Hundreds of Gallons of Fresh Drinking Water
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These ‘Hydropanels’ Attach to Homes Just Like Solar Panels — and They Create Hundreds of Gallons of Fresh Drinking Water

"The technology is fairly straightforward. Fans on each panel draw in ambient air and push it through a water-absorbing material, trapping the vapor from the air. The vapor is then condensed into a liquid using energy from the sun, after which it’s collected in a reservoir. The water is then mineralized with magnesium and calcium to maintain quality and achieve a better taste."

Inside The Audacious Plan To Use 10,000 Nuclear Microreactors To Wean The World Off Coal
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Inside The Audacious Plan To Use 10,000 Nuclear Microreactors To Wean The World Off Coal

"Kugelmass aims to build 10,000 of these mini-reactors worldwide, which sounds fantastical for a nuclear industry newbie who has so far raised just $24 million in venture capital. It’s smart money, though: $21 million came in a round led by Austin, Texas-based Gigafund, whose mana­ging partner, Luke Nosek, was the first VC investor to back Elon Musk’s SpaceX."

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