Les poids lourds des pays du Sud, une pollution d'exportation. Entre 2015 and 2020, le Japon, l'Union européenne and la Corée du Sud will export 2,4 millions of poids.
Le Mali redevient premier producteur de coton africain. The heavy-duty fleet includes old trucks, several decades old engines with steam. Their exhaust pipes release a thick cloud of black smoke with each throttle application. When they are stopped, they are also criticized for dangerous driving.