Apparatus for evaluating catalysts, including a multicell holder, e. For example, in one embodiment, an integrated circuit includes a first plurality of memory cells including a first set of test memory cells. A processor determines the rotation matrix of the solid, using a correction module for delivering a first corrected vector, and calculating a third vector which is not coplanar to the plane formed by the first corrected vector and the second vector, such that the angles of the axis system formed by the third vector and the first corrected vector and the second vector remain constant. A first expansion chamber of the first silencer is located downstream from the first exhaust pipe in the exhaust flow. Each thermal energy transfer unit can be disabled to allow the air conditioning unit to perform as if they and the energy storage tank were not connected. The sprocket carrier is rotatably supported on the axle by way of at least one bearing.