What question did this study set out to answer?

This work aims to review methods for reducing drag in road cars to lessen the carbon footprint of transportation.

An Overview of Drag Reduction Methods in Road Cars

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Aerodynamic research highlights drag reduction in road cars, indicating implications for carbon footprint reduction.

This work aims to review methods for reducing drag in road cars to lessen the carbon footprint of transportation.
Reviewed various studies on aerodynamic features of car body shapes.
Organized the discussion around passive and active flow control methods.
Included both experimental and numerical investigations on aerodynamic efficiency.
Identified key aerodynamic features that influence drag reduction.
Distinguished between simplified and realistic car models.
Emphasized the importance of aerodynamics for electric vehicles, especially at highway speeds.

Ravelli et al. (2026) studied this question.

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