Autocar, LLC (Autocar) is recalling certain 2022-2024 DC (Legend). The horizontal exhaust diffuser may be improperly positioned and vent exhaust toward the CNG fuel tank.

What the exhaust did was direct hot gas over the diffuser, the aerodynamic structure in the rear of the car which creates downforce. Such exhaust-blown diffusers had been around since the late ...

As explained by ScienceDirect in a journal on the matter, we know that the placement of an exhaust exit can affect the aerodynamic properties of a car thanks to where that hot air is expelled in ...