Some peope have argued that the energy used to create a renewable energy resource is greater than the energy that resource actually produces.
For example, it might take more energy to create a wind turbine than the wind turbine would ever produce in its life.
An interesting thought, but not true, as the following articles illustrate:
Wind turbines have 35-fold environmental benefit
Ethanol produces more energy than it takes to produce, says U.S. analysis
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