Car Talk Chart: Fuel Savings, Hybrid versus Conventional

Hybrid Center: A Project of the Union of Concerned Scientists

Green Hybrid: Interactive Hybrid Cars Resource

Green Vehicles: Green Vehicles for a Greener World

Should I buy a hybrid car?: This spreadsheet will help you organize your thinking as you consider the purchase of a hybrid or conventional vehicle.

United States Department of Energy: Check out federal tax rebates for hybrids, and compare MPG, emissions, and safety ratings here.