What are the advantages of using human power?

Question: What are the advantages of using human power?

Answer: Primarily the advantage of using human power is the efficincy of muscles. Our bodies are much better at converting calories to energy than converting those calories to biofuels. Ethanol, butanol, syngas, methane, wood, and other biofuels and biomass can’t compete but they can be used without humans being present which is the main disadvantage of human energy. Additionally using human power is a cleaner energy source if the food source is being produced sustainably without the use of oil for pesticides and fertilizers or mono crops which deplete arable agricultural land which is how biofuel crops are produced.

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