diff --git a/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs b/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs
index 9f0456796899dcdff01cebcbe0617a8a3039ae0c..38cdcafb7a877c6a331aa963270c25c6273dc5cd 100644
--- a/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs
+++ b/VectoCore/VectoCore/Models/Declaration/DeclarationData.cs
@@ -151,26 +151,35 @@ namespace TUGraz.VectoCore.Models.Declaration
 						grossVehicleWeight - curbWeight).Value() / 100, 0) * 100).SI<Kilogram>();
 		}
 
-		public static VehicleClass GetVehicleGroupGroup(IVehicleDeclarationInputData vehicleData)
+		public static Tuple<VehicleClass, bool?> GetVehicleGroupGroup(IVehicleDeclarationInputData vehicleData)
 		{
 			switch (vehicleData.VehicleCategory) {
 				case VehicleCategory.Van:
 				case VehicleCategory.RigidTruck:
 				case VehicleCategory.Tractor:
-					var truckSegment = DeclarationData.TruckSegments.Lookup(vehicleData.VehicleCategory,
-						vehicleData.AxleConfiguration, vehicleData.GrossVehicleMassRating, vehicleData.CurbMassChassis,
-						vehicleData.VocationalVehicle);
-					return truckSegment.VehicleClass;
+					try {
+						var truckSegment = DeclarationData.TruckSegments.Lookup(vehicleData.VehicleCategory,
+							vehicleData.AxleConfiguration, vehicleData.GrossVehicleMassRating,
+							vehicleData.CurbMassChassis,
+							vehicleData.VocationalVehicle);
+						return Tuple.Create(truckSegment.VehicleClass, (bool?)false);
+					} catch (VectoException) {
+						var truckSegment = DeclarationData.TruckSegments.Lookup(vehicleData.VehicleCategory,
+							vehicleData.AxleConfiguration, vehicleData.GrossVehicleMassRating,
+							vehicleData.CurbMassChassis,
+							false);
+						return Tuple.Create(truckSegment.VehicleClass, (bool?)false);
+					}
 				case VehicleCategory.HeavyBusPrimaryVehicle:
 					var primarySegment = DeclarationData.PrimaryBusSegments.Lookup(vehicleData.VehicleCategory,
 						vehicleData.AxleConfiguration, vehicleData.Articulated);
-					return primarySegment.VehicleClass;
+					return Tuple.Create(primarySegment.VehicleClass, (bool?)null);
 				case VehicleCategory.HeavyBusCompletedVehicle:
 					var segment = DeclarationData.CompletedBusSegments.Lookup(vehicleData.AxleConfiguration.NumAxles(),
 						vehicleData.VehicleCode,
 						vehicleData.RegisteredClass, vehicleData.NumberPassengerSeatsLowerDeck, vehicleData.Height,
 						vehicleData.LowEntry);
-					return segment.VehicleClass;
+					return Tuple.Create(segment.VehicleClass, (bool?)null);
 			}
 
 			throw new VectoException("No Group found for vehicle");
@@ -189,7 +198,7 @@ namespace TUGraz.VectoCore.Models.Declaration
 											.Sum(x => x.ElectricMachine.R85RatedPower * x.Count) ?? 0.SI<Watt>()) +
 										(vehicleData.Components?.IEPC?.R85RatedPower ?? 0.SI<Watt>()) + 
 										(vehicleData.MaxNetPower1 ?? 0.SI<Watt>()); 
-					var co2Group = WeightingGroup.Lookup(vehicleGroup, vehicleData.SleeperCab ?? false, propulsionPower);
+					var co2Group = WeightingGroup.Lookup(vehicleGroup.Item1, vehicleData.SleeperCab ?? false, propulsionPower);
 					return co2Group;
 				default:
 					return Declaration.WeightingGroup.Unknown;
@@ -1402,7 +1411,7 @@ namespace TUGraz.VectoCore.Models.Declaration
 			}
 			return new WeightedResult(first) {
 				AverageSpeed = first.AverageSpeed,
-				FuelConsumption = first.FuelData.Select(x => Tuple.Create(x,
+				FuelConsumption = first.FuelData?.Select(x => Tuple.Create(x,
 						first.FuelConsumptionFinal(x.FuelType).TotalFuelConsumptionCorrected))
 					.ToDictionary(x => x.Item1, x => x.Item2),
 				ElectricEnergyConsumption = first.ElectricEnergyConsumption,
diff --git a/VectoCore/VectoCore/OutputData/XML/DeclarationReports/CustomerInformationFile/CustomerInformationFile_0_9/CIFWriter/VehicleGroups.cs b/VectoCore/VectoCore/OutputData/XML/DeclarationReports/CustomerInformationFile/CustomerInformationFile_0_9/CIFWriter/VehicleGroups.cs
index efe80c1e4452956bda945de6c14c7fdd64bfef08..a6933484220806c97757a7905236c88237f33fb1 100644
--- a/VectoCore/VectoCore/OutputData/XML/DeclarationReports/CustomerInformationFile/CustomerInformationFile_0_9/CIFWriter/VehicleGroups.cs
+++ b/VectoCore/VectoCore/OutputData/XML/DeclarationReports/CustomerInformationFile/CustomerInformationFile_0_9/CIFWriter/VehicleGroups.cs
@@ -38,7 +38,7 @@ namespace TUGraz.VectoCore.OutputData.XML.DeclarationReports.CustomerInformation
 				new XElement(_cif + XMLNames.Vehicle_VehicleCategory, vehicleData.LegislativeClass.ToXMLFormat()),
 				new XElement(_cif + XMLNames.Vehicle_AxleConfiguration, vehicleData.AxleConfiguration.ToXMLFormat()),
 				new XElement(_cif + XMLNames.Vehicle_TPMLM, XMLHelper.ValueAsUnit(vehicleData.GrossVehicleMassRating, "kg")),
-				new XElement(_cif + XMLNames.Report_Vehicle_VehicleGroup, DeclarationData.GetVehicleGroupGroup(vehicleData).GetClassNumber()),
+				new XElement(_cif + XMLNames.Report_Vehicle_VehicleGroup, DeclarationData.GetVehicleGroupGroup(vehicleData).Item1.GetClassNumber()),
 				new XElement(_cif + "VehicleGroupCO2", DeclarationData.GetVehicleGroupCO2StandardsGroup(vehicleData).ToXMLFormat()),
 
 			};
@@ -58,7 +58,7 @@ namespace TUGraz.VectoCore.OutputData.XML.DeclarationReports.CustomerInformation
 				new XElement(_cif + XMLNames.Vehicle_VehicleCategory, consolidatedVehicleData.LegislativeClass.ToXMLFormat()),
 				new XElement(_cif + XMLNames.Vehicle_AxleConfiguration, primary.AxleConfiguration.ToXMLFormat()),
 				new XElement(_cif + XMLNames.Vehicle_TPMLM, XMLHelper.ValueAsUnit(consolidatedVehicleData.GrossVehicleMassRating, "kg")),
-				new XElement(_cif + XMLNames.Report_Vehicle_VehicleGroup, DeclarationData.GetVehicleGroupGroup(consolidatedVehicleData).GetClassNumber()),
+				new XElement(_cif + XMLNames.Report_Vehicle_VehicleGroup, DeclarationData.GetVehicleGroupGroup(consolidatedVehicleData).Item1.GetClassNumber()),
 				new XElement(_cif + "VehicleGroupCO2", DeclarationData.GetVehicleGroupCO2StandardsGroup(multiStageInputDataProvider).ToXMLFormat()),
 			};
 			return result;
@@ -77,6 +77,7 @@ namespace TUGraz.VectoCore.OutputData.XML.DeclarationReports.CustomerInformation
 		public override IList<XElement> GetElements(IDeclarationInputDataProvider inputData)
 		{
 			var vehicleData = inputData.JobInputData.Vehicle;
+			var vehicleGroup = DeclarationData.GetVehicleGroupGroup(vehicleData);
 			var result = new List<XElement>() {
 				new XElement(_cif + XMLNames.Component_Manufacturer, vehicleData.Manufacturer),
 				new XElement(_cif + XMLNames.Component_ManufacturerAddress, vehicleData.ManufacturerAddress),
@@ -88,7 +89,7 @@ namespace TUGraz.VectoCore.OutputData.XML.DeclarationReports.CustomerInformation
 				//	? vehicleData.VehicleTypeApprovalNumber 
 				//	: null),
 				new XElement(_cif + XMLNames.CorrectedActualMass, vehicleData.CurbMassChassis.ValueAsUnit("kg")),
-				new XElement(_cif + XMLNames.Vehicle_VocationalVehicle, vehicleData.VocationalVehicle),
+				new XElement(_cif + XMLNames.Vehicle_VocationalVehicle, vehicleGroup.Item2),
 				new XElement(_cif + XMLNames.Vehicle_SleeperCab, vehicleData.SleeperCab),
 				new XElement(_cif + XMLNames.Vehicle_ZeroEmissionVehicle, vehicleData.ZeroEmissionVehicle),
 				new XElement(_cif + XMLNames.Vehicle_HybridElectricHDV, vehicleData.HybridElectricHDV)
diff --git a/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/ManufacturerReport_0_9/ManufacturerReportGroupWriter/Common/GeneralVehicleOutputGroup.cs b/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/ManufacturerReport_0_9/ManufacturerReportGroupWriter/Common/GeneralVehicleOutputGroup.cs
index 782667d1ffbbaa4d44b8fee981635bfc9f02ff14..f9f284c0131548351baa282e98534ef3d12817cf 100644
--- a/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/ManufacturerReport_0_9/ManufacturerReportGroupWriter/Common/GeneralVehicleOutputGroup.cs
+++ b/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/ManufacturerReport_0_9/ManufacturerReportGroupWriter/Common/GeneralVehicleOutputGroup.cs
@@ -37,7 +37,7 @@ namespace TUGraz.VectoCore.OutputData.XML.DeclarationReports.ManufacturerReport.
 				new XElement(_mrf + XMLNames.Vehicle_VehicleCategory, vehicleData.LegislativeClass.ToXMLFormat()),
 				new XElement(_mrf + XMLNames.Vehicle_AxleConfiguration, vehicleData.AxleConfiguration.ToXMLFormat()),
 				new XElement(_mrf + XMLNames.TPMLM, vehicleData.GrossVehicleMassRating.ToXMLFormat(0)),
-				new XElement(_mrf + XMLNames.Report_Vehicle_VehicleGroup, DeclarationData.GetVehicleGroupGroup(vehicleData).GetClassNumber()),
+				new XElement(_mrf + XMLNames.Report_Vehicle_VehicleGroup, DeclarationData.GetVehicleGroupGroup(vehicleData).Item1.GetClassNumber()),
 				new XElement(_mrf + "VehicleGroupCO2", DeclarationData.GetVehicleGroupCO2StandardsGroup(vehicleData).ToXMLFormat()),
 
 			};
diff --git a/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/ManufacturerReport_0_9/ManufacturerReportGroupWriter/Lorry/LorryGeneralVehicleOutputGroup.cs b/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/ManufacturerReport_0_9/ManufacturerReportGroupWriter/Lorry/LorryGeneralVehicleOutputGroup.cs
index 555d815b60e212ac49f226210c1cb3fa7eb2c30f..d95397123d7d6a2af9a4e0d5ddfb0654038afe98 100644
--- a/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/ManufacturerReport_0_9/ManufacturerReportGroupWriter/Lorry/LorryGeneralVehicleOutputGroup.cs
+++ b/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/ManufacturerReport_0_9/ManufacturerReportGroupWriter/Lorry/LorryGeneralVehicleOutputGroup.cs
@@ -6,6 +6,7 @@ using System.Threading.Tasks;
 using System.Xml.Linq;
 using TUGraz.VectoCommon.InputData;
 using TUGraz.VectoCommon.Resources;
+using TUGraz.VectoCore.Models.Declaration;
 using TUGraz.VectoCore.OutputData.XML.DeclarationReports.ManufacturerReport.ManufacturerReport_0_9.ManufacturerReportXMLTypeWriter;
 using TUGraz.VectoCore.Utils;
 
@@ -18,6 +19,7 @@ namespace TUGraz.VectoCore.OutputData.XML.DeclarationReports.ManufacturerReport.
 		public override IList<XElement> GetElements(IDeclarationInputDataProvider inputData)
 		{
 			var vehicle = inputData.JobInputData.Vehicle;
+			var vehicleGoup = DeclarationData.GetVehicleGroupGroup(vehicle);
 			var elements = new List<XElement>();
             elements.AddRange(new List<XElement>() {
                 new XElement(_mrf + XMLNames.Component_Manufacturer, vehicle.Manufacturer),
@@ -27,7 +29,7 @@ namespace TUGraz.VectoCore.OutputData.XML.DeclarationReports.ManufacturerReport.
             elements.AddRange(new List<XElement>() {
 				// new XElement(mrf + "CO2StandardGroup", vehicle.) //CO2 Standardgroup
 				new XElement(_mrf + XMLNames.CorrectedActualMass, vehicle.CurbMassChassis.ToXMLFormat(0)),
-                new XElement(_mrf + XMLNames.Vehicle_VocationalVehicle, vehicle.VocationalVehicle),
+                new XElement(_mrf + XMLNames.Vehicle_VocationalVehicle, vehicleGoup.Item2),
                 new XElement(_mrf + XMLNames.Vehicle_ZeroEmissionVehicle, vehicle.ZeroEmissionVehicle),
                 new XElement(_mrf + XMLNames.Vehicle_HybridElectricHDV, vehicle.HybridElectricHDV),
             });
diff --git a/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/XMLManufacturerReportCompletedBus.cs b/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/XMLManufacturerReportCompletedBus.cs
index f9fcdad04e4b98b369be19adf97e8869a3a00e33..6d641102a33eb37d0477c66a1ece17920319089e 100644
--- a/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/XMLManufacturerReportCompletedBus.cs
+++ b/VectoCore/VectoCore/OutputData/XML/DeclarationReports/ManufacturerReport/XMLManufacturerReportCompletedBus.cs
@@ -45,7 +45,7 @@ namespace TUGraz.VectoCore.OutputData.XML.DeclarationReports.ManufacturerReport
 					new XElement(tns + XMLNames.Vehicle_CurbMassChassis, XMLHelper.ValueAsUnit(modelData.VehicleData.CurbMass, XMLNames.Unit_kg)),
 					new XElement(tns + XMLNames.TPMLM,
 								XMLHelper.ValueAsUnit(modelData.VehicleData.GrossVehicleMass, XMLNames.Unit_t, 2)),
-					new XElement(tns + XMLNames.Vehicle_VocationalVehicle, modelData.VehicleData.ZeroEmissionVehicle),
+					//new XElement(tns + XMLNames.Vehicle_VocationalVehicle, modelData.VehicleData.ZeroEmissionVehicle),
 					new XElement(tns + XMLNames.Vehicle_ZeroEmissionVehicle, modelData.VehicleData.ZeroEmissionVehicle),
 					new XElement(tns + XMLNames.Vehicle_HybridElectricHDV, modelData.VehicleData.HybridElectricHDV),
 					new XElement(tns + XMLNames.Vehicle_DualFuelVehicle, modelData.VehicleData.DualFuelVehicle),