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Energy Dome and its carbon dioxide batteries

There’s a growing need for long-duration storage to meet energy demand and balance out renewables on the grid. Energy Dome uses compressed carbon dioxide gas in its massive grid batteries, which can deliver power for up to 24 hours.  As the world races to meet growing electricity demand, solar and onshore wind power have become…

MIT Technology Review·2 天前·Casey Crownhart站内阅读全文

WaveSave and its portable rubber dam

As sea levels rise and flood risks worsen due to global warming, WaveSave’s easy-to-erect portable dam offers a quick-response tool. People can use the dam to protect themselves and their property, and it can also store freshwater for later use. Communities in Europe, Africa, and Southeast Asia have deployed it successfully. Now, the company is…

MIT Technology Review·2 天前·Amy Nordrum站内阅读全文

BasiGo and its fleet of electric buses

BasiGo aims to replace the tens of thousands of diesel-powered buses on sub-Saharan African roads with electric ones that generate far fewer emissions. The company’s pay-as-you-drive business model has helped make EVs more attainable and is changing the way public transport operates. In a bid to contain the covid-19 pandemic in 2020, the Kenyan government…

MIT Technology Review·2 天前·Geoffrey Kamadi站内阅读全文

Moment Energy and its shipping containers packed with old EV batteries

Demand for energy storage is surging, with capacity expected to grow eightfold in the next decade. To meet that demand, Moment Energy wants to shortcut a supply chain that now flows largely through China, by domestically repurposing EV batteries into new grid-connected storage systems. Moment Energy’s four founders met while studying mechatronics engineering in college…

MIT Technology Review·2 天前·Emma Foehringer Merchant站内阅读全文

This remote-controlled wagon is silly but so very useful

Confession: When BougeRV told me about its remote-controlled wagon with animated lighting, I called it in for a laugh, expecting to eviscerate it in a review. It's ridiculous, to be sure. But the DuneRover also proved very capable, with enough torque to flatten hills even when carrying over 200 pounds of gear. It can also traverse soft sand that defeats conventional wagons. As someone who regularly uses a variety of wagons to haul all sorts of gear, the DuneRover is an epiphany. But what BougeR

The Verge·2 天前·Thomas Ricker站内阅读全文