From the “Why have we not thought of this already?” question bag, the smart guys over at RedDot Online have put together a very impressive concept for a shopping cart which generates energy as you shop your local supermarket or retail store.
It’s called the e~cart and works very simply. As you push your shopping cart along gathering all your delicious food stuffs, the wheels generate and store energy. Once you’ve finished your trip, you place the cart back in it’s dock which has a device to extract the energy and store it. The power generated by all the shop’s patrons then can be used to power the store itself.
As e~cart is pushed around the store, it generates electrical energy from the kinetic energy of its moving wheels. When it is docked at a trolley deposit point, the power is collected and charged into a storage unit. A bank of deposited trolleys creates a chain so that the electrical energy flows through them to the storage unit. The store uses the stored electrical energy for its normal operations, generating savings on its electricity bills. The amount of money saved is donated to those less fortunate. Undoubtedly, customers will feel proud that they are helping those in need, and will feel encouraged to return to the store.
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