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SEPTA, Constellation, and Viridity Energy to deploy 8.75MW energy storage system to capture and reuse subway train braking energy

Green Car Congress

An 8.75MW battery storage network which will capture and reuse the energy created by braking subway cars will help Southeastern Pennsylvania Transportation Authority (SEPTA) reduce operating costs, ensure energy resiliency, and support the stability of the electrical grid. Saft will provide the lithium-ion battery technology.

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New UMTRI paper reviews major advantages and disadvantages of battery-electric and fuel-cell vehicles

Green Car Congress

A new report from the University of Michigan Transportation Research Institute (UMTRI) reviews the major advantages and disadvantages associated with battery-electric vehicles (BEVs) and fuel-cell vehicles (FCVs). Among their findings: A note on fuel pricing and cost per mile. mp and a fuel price of $2.35 Click to enlarge.

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PJM/Better Place study finds unmanaged charging of 1M electric cars could add $750M in annual wholesale energy costs; need for CNO-managed smart charging

Green Car Congress

PJM Interconnection is a regional transmission organization (RTO) that coordinates the movement of wholesale electricity in all or parts of 13 states and the District of Columbia. The joint study conducted by PJM and Better Place analyzed the impact of one million electric cars on the MidAtlantic States’ grid.

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CMU study finds controlled EV charging can reduce generation cost, but at greater health and environmental costs depending upon the generation mix

Green Car Congress

Although electric vehicles have lower tailpipe emissions than gasoline powered vehicles, the changes in emissions associated with vehicle electrification on a life cycle basis will depend on the emissions associated with the operations of the power plants used to charge the battery.

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