Car Diffusers › Americano Car Diffuser Americano Car Diffuser $8.00 Freshly brewed coffee layered with caramel, vanilla bean, and a touch of cream. Rich, smooth, and warmly sophisticated. Vent Clip or Hanging: Vent Clip Hanging Add To Cart Added! Freshly brewed coffee layered with caramel, vanilla bean, and a touch of cream. Rich, smooth, and warmly sophisticated.