General Motors announced an expanded energy strategy on June 9 that combines vehicle-to-grid charging, grid-scale batteries and public charging software as it looks beyond electric-vehicle sales. The company is enabling vehicle-to-grid capability for current GM Energy customers with existing home-energy hardware, allowing compatible EVs to send electricity back to the grid as well as power a home. GM also announced three battery-related moves: a sodium-ion development partnership with Peak En...

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