a2-miljo
Eco-driving
Lätt
How do roof racks and roof boxes affect fuel consumption?
They reduce consumption because they provide better aerodynamics
They increase consumption and should be removed when not needed
They have no significance
Explanation
✅ Swedish Transport Agency: Roof racks and roof boxes increase air resistance and fuel consumption and should be removed when not needed.
Source: Transportstyrelsen
Last reviewed: May 2026
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