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San Diego begins using Neste renewable diesel in city fleet

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The city of San Diego, California has begun using Neste renewable diesel in its vehicle fleet. The City expects to begin using renewable diesel at fire stations in the coming weeks, which will result in all of the City’s 1,125 diesel-powered vehicles being powered by renewable diesel. —Major Kevin Faulconer.

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90 kW solar-to-EV project in San Diego Zoo completed

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Smart City San Diego and City of San Diego Mayor Jerry Sanders unveiled the completed Smart City San Diego Solar-to-EV Project—a 90kW solar photovoltaic canopy that directly charges up to 5 electric vehicles (EVs) in the San Diego Zoo parking lot.

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U-Haul buys another million gallons of renewable propane to sell at California stores

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U-Haul—the largest US retailer of propane—has purchased one million gallons of renewable propane to sell at its company-owned and -operated stores across California for the second year in row. No cost increase is passed on to U-Haul customers as a result of the renewable propane initiative. Earlier post.)

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NSF awards UCSD team $39M to improve integration of distributed energy resources into grid; EV batteries also

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Most utilities struggle with the fact that renewable and distributed energy sources are not as stable as traditional sources, such as natural-gas power plants. A major current obstacle to the adoption of such technologies in the operations of real energy systems is the development of realistic test cases on a realistic scale.

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UCSD team suggests building more fast-charging stations based on study of pandemic impact on EV charging

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A team of engineers at the University of California San Diego (UCSD) recommends expanding fast-charging stations for electric vehicles as campuses and businesses start planning for a post-pandemic world. Energy dispatched at Level 2 chargers on the main UC San Diego campus decreased by 84%. —Jan Kleissl.

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Researchers from Caltech and UC San Diego report very high performance catalysts to convert seed oils to olefins

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Researchers from Caltech and UC San Diego have developed a family of ruthenium-based metathesis catalysts that have shown exceptional activity in the conversion of seed oils to linear-chain olefins. The ethanolysis of fatty acids derived from seed oils could provide a renewable source of LAOs. —Marx et al. Sullivan, A.

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UCSD researchers improve method to recycle and renew used cathodes from Li-ion batteries via eutectic molten salts

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Researchers at the University of California San Diego have improved their recycling process that regenerates degraded cathodes from spent lithium-ion batteries. Zheng Chen, a professor of nanoengineering who is affiliated with the Sustainable Power and Energy Center at UC San Diego, led the project. 2019) “Ambient?Pressure