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False Starts: The Story of Vehicle-to-Grid Power

Cars That Think

They wanted to see whether an electric vehicle could feed electricity back to the grid. The company’s president, Tom Gage , dubbed the system “vehicle to grid” or V2G. And EV owners would become entrepreneurs, selling electricity back to the grid. And indeed, that’s how promoters of vehicle-to-grid technology perceive the EV.

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More details about California’s proposal requiring bidirectional charging capabilities for all EVs

Charged EVs

In recent testimony, Nuvve CEO Gregory Poilasne told the lawmakers that bidirectional charging can reduce the total cost of EV ownership, and that it’s essential for integrating more renewable energy into the grid. Then it takes the DC from the bus, or car, and converts it back to AC to provide power for the grid.

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Maxwell supplying ultracaps to ABB for hybrid version of Philadelphia rail energy recuperation system

Green Car Congress

When decelerating or braking, a traction vehicle (train, tram or trolleybus) is feeding the regenerated braking energy back into the DC power network. Rather than having the braking energy be dissipated, the ENVILINE Energy Recuperation System (ERS) saves the surplus braking energy of the train by returning it back to the AC grid.

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ARPA-E announces $98M in funding for 40 OPEN projects; two opposed-piston engines projects receive $10M total

Green Car Congress

Advanced Magnet Lab (AML) is developing a reliable, contact-free current transfer mechanism from a stationary to a rotating electrode to allow direct current (DC) electrical machines, motors, and generators to achieve unprecedented power and torque density. University of Delaware. Georgia Tech Research Corporation.

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AC Propulsion and AutoPort, Inc. Partner to Develop EV Conversion Prototype for US Postal Service Feasibility Study

Green Car Congress

AutoPort will convert the vehicle on-site at its facilities in New Castle, Delaware. AC Propulsion and AutoPort’s solution offers the low cost of ownership and revenue producing potential of Vehicle-to-Grid (V2G) technology integrated into its drive system.

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ARPA-E awards $175M to 68 novel clean energy OPEN 2021 projects

Green Car Congress

Specifically, the project will demonstrate a 50-kW capacitive wireless charging system with 150 kW/m 2 power transfer density and 95% efficiency, while meeting fringing-field safety standards and increasing grid reliability by minimizing power pulsations. University of Delaware. Stanford University. UC Berkeley.

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Greenlots to collaborate with Volvo Trucks on electric truck charging infrastructure for fleets in Southern California; SAE J3068

Green Car Congress

All of the charging equipment for the project—including both Level 2 chargers and 150kW DC fast-chargers—will operate on Greenlots’ SKY enterprise software platform to enable seamless management of Volvo’s fleet, charging stations and energy storage systems. Grid supply voltage is signaled before the EV and SE agree to charge.

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