Every year, 6,000 large, expensive, and depleted batteries, recycled by auto dealers all over the country, pour into Toyota Motor Corp. in Japan. The batteries have been pulled out of Prius automobiles as they are replaced by car dealers who then return them to the manufacturer for recycling. And given the growing popularity of the Prius, this rate will almost certainly continue to rise over time.
What to do with them? Toyota has ingeniously figured out a way to refurbish them, reconfigure them, and resell them back to the very dealers who had returned them. How do they do this?
