Burning a cow would produce a lot of energy for a short while, but burning the cow's dung would provide less power for the life of the cow.
You could also tie a rope to the cow, push it off a cliff, and use the falling weight to turn a turbine. Although this would not the best way to get horsepower out of a cow.
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That depends on how you get the horsepower out.
Burning a cow would produce a lot of energy for a short while, but burning the cow's dung would provide less power for the life of the cow.
You could also tie a rope to the cow, push it off a cliff, and use the falling weight to turn a turbine. Although this would not the best way to get horsepower out of a cow.