Federal Highway Administration (FHWA)

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The Most and Least Expensive States for Energy Costs

EcoBuilding Pulse's interactive heat map displays how each state ranks for total energy costs, and breaksdown average electric, natural gas, and fuel costs from WalletHub's "Most and Least Energy Expensive States" report. More

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Using Our Highways to Harvest Solar Energy

Solar Roadways are a photovoltaic prototype that can serve as roadway and parking... More

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