This question is from the interactive quiz "What saves more energy?
" on Money.CNN.com.Which vehicle upgrade saves the most energy?A)
Switching from a 16mpg SUV to a 20mpg SUV.B)
Switching from a 35mpg car to a 50mpg car.
After you select your choice, CNN explains the answer. Can you see the mistake in their calculation of gallons used over 10,000 miles of driving.
Note: There are other ways to save fuel. Suggest some.
Note: Some European car reviews use L/100km. Is that more intuitive than mpg or km/liter?