To save fuel, where should luggage be loaded?
A)On the roof rack.
B)In the boot or on the roof rack, it makes no difference.
C)In the boot.Correct
Luggage must be loaded in the boot to save fuel. When you place the load on the roof rack (vehicle roof), aerodynamic resistance increases and fuel consumption may rise significantly. The boot is the most efficient option because it keeps the centre of gravity low and reduces air resistance.