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Study finds all-electric rideshare fleet could reduce carbon emissions, but increase traffic issues

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Major ridesourcing companies Uber and Lyft have promised all-electric fleets by 2030 in an effort to reduce their carbon footprint. Overall, electrification reduces net external costs to society by 3–11% (5–24¢ per trip), depending on the assumed social cost of carbon. —Mohan et al. Mohan et al.

Fleet 195
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Ricardo, National Grid study explores market potential for grid-balancing services for plug-in vehicles

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The report, Bucks for balancing: can plug-in vehicles of the future extract cash—and carbon—from the power grid? , is based on a research collaboration between a team of engineers from Ricardo and National Grid, the operator of the high voltage electricity transmission system within Great Britain (GB).

Grid 247
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EDF and Nissan launch new commercial V2G service for EV fleets in the UK

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EDF, through EDF Group subsidiary DREEV, has launched a new commercial charging service using vehicle-to-grid (V2G) technology in the UK, in partnership with Nissan. This means businesses can support the grid by consuming low carbon energy, and progress towards their net zero and decarbonization targets, whils reducing their costs.

Nissan 199
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Univ. of Missouri team progressing with convection battery; enabling rechargeable lithium-metal batteries

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The technology allows lithium-metal batteries to be recharged without the dendrite failure (short circuit) that has prevented rechargeable lithium-metal batteries from being commercially viable. Rechargeable lithium-metal batteries differ from rechargeable lithium-ion batteries, which are commercial and widely available.

Missouri 330
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PNNL team develops electrolyte for high-voltage sodium-ion battery with extended longevity

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In addition to the stable SEI on a hard carbon (HC) anode, we also show a stable interphase formation on a NaNi 0.68 This study enables high-voltage NIBs with long cycling performance and provides a guiding principle in electrolyte design for sodium-ion batteries. O 2 (NaNMC) cathode. The new electrolyte consists of 1.5M

Sodium 334
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Mitsubishi Heavy to supply 500 kWh (normal) containerized Li-ion energy storage system to power grid of Orkney Islands

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(MHI), jointly with SSE plc (formerly Scottish and Southern Energy plc), will begin an energy storage system demonstration project using the power grid in the UK’s Orkney Islands, which has a high proportion of renewable energy generation in relation to demand.

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US and Japan collaborating on smart grid project in Hawaii; EV operation and charging, including grid-balancing services

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have been selected as contractors for a joint US-Japan collaboration supporting a Smart Grid project on the Hawaiian island of Maui. and the other five participating companies will conduct a feasibility study expected to be completed by the middle of September 2011. Hitachi, Ltd., Cyber Defense Institute, Inc., Hitachi Ltd.

Grid 218