GreenCars 101 Courses

Fuel-Efficient

If you’re not quite ready to switch to a hybrid, plug-in, or electric car, there are still plenty of gasoline options that can help reduce your carbon footprint. Discover top choices and learn how to maximize fuel economy to make every mile count.

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Car driving up a mountain overlooking a scenic forest

What Makes a Car Fuel Efficient?

Fuel efficiency is about more than just MPG. Learn how vehicle design, weight, aerodynamics, engines, transmissions, tires, and even fuel type affect how far your car can go on less.