An adsorption unit for combustion gas of an internal combustion engine has an adsorption housing having a chamber section with an inner wall. The software process pushes a first part of the list to a network interface controller, while retaining a second part of the list in the memory under control of the software process. A front edge extends between the left and right front faces; a rear edge extends between the left and right rear faces; a left side edge extends between the right front and rear faces; and a right side edge extends between the left front face and the right rear face.