Pedal power refers to the energy generated by pedaling a bicycle or other human-powered vehicle. Synonyms for this term include human power, foot power, leg power, and muscle power. These phrases all describe the physical effort exerted by a person to move a vehicle, machine, or device without the use of an external power source such as electricity or gasoline. Other related terms include renewable energy, sustainable transportation, and eco-friendly mobility. By using pedal power, individuals can reduce their carbon footprint, stay physically active, and save money on transportation costs.