Question

pop quiz
answer the following question(s) to test your knowledge.
which of the following is not recommended as a way to improve your vehicle’s fuel efficiency?
a. driving at a steady speed and using cruise control
b. hauling cargo on your car’s roof to save interior space
c. avoiding rapid acceleration and hard braking

Explanation:

Steady speed (A) and avoiding rapid acceleration/braking (C) reduce unnecessary fuel use. Hauling cargo on the roof (B) increases aerodynamic drag, lowering fuel efficiency.

Answer:

B. Hauling cargo on your car’s roof to save interior space