Some cars (such as the Leaf) already supports this in a "vehicle-to-the-home" type system. I think the problem is largely bureaucratic and not technical. Besid

Some cars (such as the Leaf) already supports this in a "vehicle-to-the-home" type system. I think the problem is largely bureaucratic and not technical. Besides, I want my battery to last a long time, not necessarily be sacrificed to the grid.