| http://www.w3.org/ns/prov#value | - Robert Evans, a mechanical engineering professor at the University of British Columbia, said wind is an expensive type of energy production, that has been heavily subsidized in countries where it has been integrated.Wind power is intermittent and works at full power capacity only one-third of the time fossil fuel plants do, and a back up source of power would be crucial, he said.It really only ma
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