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Heating Buildings With Solar Energy Stored in Sand

Cars That Think

As we try to objectively study nature, we are often reminded of how natural forces affect us personally. When we turn up the heat in our homes and workplaces, we must balance our personal need for warmth with the global impact of burning fossil fuels like oil, gas, coal, and biomass. The apparent contradictions do not end there.

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California achieves 100 days of 100% electricity demand met by renewables

Baua Electric

Photo: Strauss Wind In a major milestone, July 28 marked the 100th day of a 144-day stretch in which California supplied 100% of its electricity demand with renewables. It’s driven by a 30% growth in utility-scale solar and an 8% growth in utility-scale wind power output in just one year. The good news is, we know that it’s achievable.

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Updated Gen7 BMW 5 Series sedan introduces new 48V MHEV system, more powerful PHEV

Green Car Congress

48-Volt mild hybrid technology for six-cylinder engine models. When the driver releases the accelerator, the generator transforms the kinetic energy into electricity to be stored in the 48V battery. The additional deceleration generated over and above the engine braking effect is also harnessed when the brakes are applied.

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How Efficient Is Your EV? It’s Complicated

Cars That Think

With motor sports moving hard and fast toward electric drive, a friend recently told me that electric drag-car racing just wouldn't be the same without the deafening roar of combustion engines and the smell of "nitro" fuel. One of the things I'll miss about combustion-engine cars is how easy it is to calculate their efficiency.

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IBM releases fifth annual Next Five in Five list of near-term significant innovations; personalized routing for commuting/transportation makes the cut

Green Car Congress

Of the five, only one is directly transportation-related: Commuters will be able to quickly access personalized recommendations that help them avoid the congestion issues they routinely face and help them get where they need to go in the fastest time. The full list of five is: Your commute will be personalized. Personalized routing.

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The Vacuum Tube’s Forgotten Rival

Cars That Think

What did the Third Reich’s engineers know that had eluded the Americans? engineers were soon able to reproduce those alloys. A second wire also wrapped around the core forms a control winding. After winding, the module was annealed in hydrogen at 1,100 °C for 2 hours and then rapidly cooled. After the war, U.S.

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Arizona State University Professor’s Work to Stabilize the Grid Pays Off

Cars That Think

He is a professor of power systems engineering in the Fulton program at Arizona State University , in Tempe. He was part of an IEEE task force that in 2020 issued a report that described how equipment used for storing energy, transferring power over long distances, and integrating renewable energy could impact power system stability.

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