"The United States uses a mix of energy sources The United States uses and produces many different types and sources of energy, which can be grouped into general categories such as primary and secondary, renewable and nonrenewable, and fossil fuels. Primary energy sources include fossil fuels (petroleum, natural gas, and coal), nuclear energy, and renewable sources of energy. The map displays three types of energy sources in the united States. Coal, wind and solar enery generation. The map shows that wind and solar are well present, however, coal outpaces the amount mega-watts of energy produced in the United States." (US Energy Information Agency)
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