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Hawaii study finds vehicle-to-grid discharge detrimental to EV batteries

Green Car Congress

Results of a study by a team at the Hawaii Natural Energy Institute, SOEST, University of Hawaii at Manoa, suggest that the additional cycling to discharge vehicle batteries to the power grid in a vehicle-to-grid (V2G) scenario, even at constant power, is detrimental to EV battery cell performance.

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US DOE Awards More than $47M in Recovery Act Funding to Advance Smart Grid Development; New Smart Grid Report and Smart Grid Clearinghouse

Green Car Congress

High Temperature Superconductor Transmission Cable System for Installation in the Long Island Power Grid (LIPA 2) (Westborough, MA) - $7,584,120. The company will also use Recovery Act funding to demonstrate a prototype cable in the Long Island Power Authority power grid. Zenergy Power Inc.

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Startups Squeeze Room-Size Optical Atomic Clocks Into a Briefcase

Cars That Think

But it, too, operates at an optical frequency, and it matches or beats commercial alternatives. Freed from the laboratory, these new clocks promise greater resilience and a backup to GPS for military applications, as well as for data centers, financial institutions, and power grids.

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Sea Drones in the Russia-Ukraine War Inspire New Tactics

Cars That Think

The missile strikes terrorized Ukrainian citizens and shut down the power grid, but Russia’s blockade was arguably more consequential, devastating Ukraine’s economy and creating food shortages from North Africa to the Middle East. took the vessels to Hawaii, Japan, and Australia, where they joined in annual exercises conducted by U.S.

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How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

This is from "Commercializing Plug-In Hybrids" (pdf), the current CalCars 24-slide presentation about PHEVs available along with other documents at CalCars Downloads. DaimlerChrysler has presented plug-in hybrids in commercial vans that have enough room to store the batteries, but the technology is not quite ripe for cars."Plug-in

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Electric Car Manufacturers Inspire New Paradigms -- Seeking Alpha

Tony Karrer Delicious EVdriven

There are at least a half dozen different technologies to power cars with electricity under construction. Better Place is building stations in San Francisco, Hawaii, Israel, and Denmark to swap out 1,000 pound batteries in a car wash type set up. Massive government subsidies are upending commercial considerations.