The e-cart concept ought to be realized in supermarkets and grocery shops the world over. Why do we say that? Well, it comes with wheels that will harness kinetic energy generated whenever it is in motion. This energy will then be stored to the main power storage unit whenever the cart is docked within. Line up one e-cart after another and you can form a pretty decent power chain to help relieve the store's operating costs where electricity is concerned, and in turn, it will allow the store to slash its prices to keep you happier.
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