do not write fuel consumption if the fuelconsumptionwriter is null

VectoCore/VectoCore/OutputData/XML/DeclarationReports/Common/ResultTotalWriter.cs

@@ -15,16 +15,19 @@ namespace TUGraz.VectoCore.OutputData.XML.DeclarationReports.Common
         #region Overrides of AbstractResultWriter
 
         public override XElement GetElement(IResultEntry entry)
-        {
-            return new XElement(TNS + XMLNames.Report_ResultEntry_Total,
-                VehiclePerformanceWriter.GetElement(entry),
-                entry.FuelData.Select(f =>
-                    FuelConsumptionWriter?.GetElement(entry, entry.FuelConsumptionFinal(f.FuelType))),
-                ElectricEnergyConsumptionWriter?.GetElement(entry),
-                CO2Writer?.GetElements(entry),
-                ElectricRangeWriter?.GetElements(entry)
-            );
-        }
+		{
+			var fcWrtier = FuelConsumptionWriter;
+			return new XElement(TNS + XMLNames.Report_ResultEntry_Total,
+				VehiclePerformanceWriter.GetElement(entry),
+				fcWrtier != null
+					? entry.FuelData.Select(f =>
+						fcWrtier.GetElement(entry, entry.FuelConsumptionFinal(f.FuelType)))
+					: null,
+				ElectricEnergyConsumptionWriter?.GetElement(entry),
+				CO2Writer?.GetElements(entry),
+				ElectricRangeWriter?.GetElements(entry)
+			);
+		}
 
         #endregion
 

VectoCore/VectoCore/OutputData/XML/DeclarationReports/CustomerInformationFile/CustomerInformationFile_0_9/ResultWriter/SummaryWriter.cs

@@ -32,11 +32,15 @@ namespace TUGraz.VectoCore.OutputData.XML.DeclarationReports.CustomerInformation
 			if (weighted == null) {
 				return null;
 			}
+
+			var fcWriter = FuelConsumptionWriter;
 			return new XElement(TNS + XMLNames.Report_Results_Summary,
 				new XAttribute(xsi + XMLNames.XSIType, ResultSummaryXMLType),
 				GetSummary(weighted),
-				weighted.FuelConsumption.Select(x =>
-					FuelConsumptionWriter?.GetElement(weighted, x.Key, x.Value)).ToArray(),
+				fcWriter != null
+					? weighted.FuelConsumption.Select(x =>
+						fcWriter.GetElement(weighted, x.Key, x.Value)).ToArray()
+					: null,
 				ElectricEnergyConsumptionWriter?.GetElement(weighted),
 				CO2Writer?.GetElements(weighted),
 				ElectricRangeWriter?.GetElements(weighted)