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Why is Hydroelectricity So Green, and Yet Unfashionable?

Cars That Think

There is no end of gushing about China’s cheap solar panels—but when was the last time you saw a paean to hydroelectricity? Instead, that pure status is now reserved above all for wind and solar. The manufacture of solar panels involves the environmental costs from mining, waste disposal, and carbon emissions.

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The Coming Construction Boom

Cars That Think

One problem with our current building methods is that they have a high carbon footprint , meaning that the act of building will increase the need for yet more building. Imagine using cheap wind- and solar-generated electricity to pull carbon out of the atmosphere and turn it into feedstock for large-scale 3D printing of building components.

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Alternatives to permanent magnet motors in EV traction applications

Charged EVs

In my very first article for Charged over 10 years ago, I opined that the Switched Reluctance Motor , or SRM, would eventually come to dominate the EV traction market, if for no other reason than the fact that it is almost as cheap as dirt to manufacture. materials like woven carbon fiber composite.

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Heating Buildings With Solar Energy Stored in Sand

Cars That Think

This sponsored article is brought to you by COMSOL. A Battery for Heat Made from Sand Noted chemical engineer Donald Sadoway is quoted as saying: “If you want to make a dirt-cheap battery, you have to make it out of dirt.” The intermittent nature of daylight and strong winds, however, is a stubborn problem.

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A closer look at axial flux motors

Charged EVs

In Issue 49, we reviewed some of the more promising advancements in materials and construction techniques for EV traction motors , one of which—the axial flux design—will be the focus of this article. This article appeared in Charged Issue 54 – March/April 2021 – Subscribe now.

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Opinon: Lithium Market Set To Explode; All Eyes Are On Nevada

Green Car Congress

The lithium, found in salty water, or brines, is the most cost-effective on the market; it’s cheap and easy to extract, giving competing battery gigafactories new, affordable American lithium resources that will be a global game-changer. Article Source: [link]. There aren’t many American properties out there like ours.”.

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Report from the REFF-Wall Street; Themes in Renewable Energy Finance

Green Car Congress

As another panelist pointed out, “ The New York Times is well-equipped to write the article about how Stimulus Funds have been wasted ”. Attendees believe that renewable energy needs two elements to be successful: technical progress leading to lower costs and a price on carbon. Earlier post.). Earlier post.). Is tax equity dead?

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