This mod continuously adds smoke to the exhausts of all original game trucks purchased from the Truck Dealers listed below: – Freightliner – Intnational – Kenworth – Mack – Peterbilt – Volvo – Western Star The smoke follows the original direction of exit of its exhausts except the exhausts that are under the trucks. The smoke alters its trail as the trucks change their direction and speed. The mod will support the current version of the game ATS 1.46 Credits Carlitos