Machines have evolved in complexity and efficiency for over thousands of years, along with our technological advancement. This journey started with the human powered machines constructed to meet our basic needs. Those days, machines that depended on pedaling with hands or legs were much in vogue. However, this trend was thwarted by the growth of the idea that energy obtained through fossil fuels can power machines for better results. However, recent developments promise the return of the era of pedal-powered machines.

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