U.S. Department of Energy - Energy Efficiency and Renewable Energy
Consumer's Guide – Energy Calculators and Software
Vehicles
Use these tools learn about the effect your vehicle has on the environment and the potential savings of more fuel-efficient vehicles.
Cost Estimators
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Compare single vehicle and fleet costs of hybrid electric vehicles to costs of conventional vehicles. From the U.S. Department of Energy
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Calculate the fuel cost differences between vehicles with different fuel efficiencies. From the U.S. Department of Energy
Impact Calculator
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