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National Academies report finds US interstate highways need major overhaul; calls for 20-year blueprint for action

Green Car Congress

Estimated spending needs for Interstate highway renewal and modernization over the next 20 years. To renew and modernize these highways over the next 20 years, $45 billion to $70 billion will be required annually, depending on uncertainties, such as the rate of growth of vehicle miles traveled. National Academy of Sciences.

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We Need More Than Just Electric Vehicles

Cars That Think

Manufacturing an EV battery using coal-based electricity results in more than three times the greenhouse-gas emissions of manufacturing a battery with electricity from renewable sources. Studies conducted in other countries, such as China and Singapore, have arrived at similar results. AFP/Getty Images. passenger vehicles.