What's being integrated it is a means of automatically determining the current price of electricity and charging when it's cheapest for the user as well as using that electricity in the event of a brown out, when prices are highest, instead of diesel generators for short term auxiliary power production. Using this buy cheap charge, sell high charge, users can make money from the electric company and the company can decommission some auxiliary generators. The user might just be driving for free under the right conditions. This is no toaster! Your toaster can't resell the heat it creates with that electricity.
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