• Stuttgart/Wiesbaden, Oct 17, 2012 - Euro VI emission standards do not have to mean increased fuel consumption. To that end Mercedes-Benz and Setra employ a multitude of countermeasures. As a result of these measures, the new Euro VI-certified Mercedes-Benz Citaro urban regular-service bus and the new Setra ComfortClass 500 touring coach series actually use measurably less fuel than their predecessor models. Now they must prove that fact in the Record Run Buses 2012: