diff --git a/VectoCore/VectoCoreTest/TestData/XML/XMLReaderDeclaration/SchemaVersion2.10/WithoutOptionalEntries/HEV-S_mediumLorry_S4_n_opt.xml b/VectoCore/VectoCoreTest/TestData/XML/XMLReaderDeclaration/SchemaVersion2.10/WithoutOptionalEntries/HEV-S_mediumLorry_S4_n_opt.xml
new file mode 100644
index 0000000000000000000000000000000000000000..cd05ded6a03afc30c5a02b28d28b001779213263
--- /dev/null
+++ b/VectoCore/VectoCoreTest/TestData/XML/XMLReaderDeclaration/SchemaVersion2.10/WithoutOptionalEntries/HEV-S_mediumLorry_S4_n_opt.xml
@@ -0,0 +1,357 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<tns:VectoInputDeclaration xmlns="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:DEV:v2.10.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" schemaVersion="2.0" xmlns:tns="urn:tugraz:ivt:VectoAPI:DeclarationInput:v2.0" xmlns:di="http://www.w3.org/2000/09/xmldsig#" xsi:schemaLocation="urn:tugraz:ivt:VectoAPI:DeclarationJob V:\VectoCore\VectoCore\Resources\XSD/VectoDeclarationJob.xsd" xmlns:v1.0="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:v1.0" xmlns:v2.0="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:v2.0" xmlns:v2.1="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:v2.1" xmlns:v2.6="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:DEV:v2.6" xmlns:v2.10.1="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:DEV:v2.10.1" xmlns:v2.10.2="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:DEV:v2.10.2">
+	<v2.0:Vehicle xsi:type="Vehicle_HEV-Sx_MediumLorryDeclarationType" id="a">
+		<Manufacturer>TU Graz</Manufacturer>
+		<ManufacturerAddress>Inffeldgasse 19</ManufacturerAddress>
+		<Model>HEV Heavy Lorry Px</Model>
+		<VIN>1234</VIN>
+		<Date>2017-01-01T00:00:00Z</Date>
+		<LegislativeCategory>N2</LegislativeCategory>
+		<ChassisConfiguration>Van</ChassisConfiguration>
+		<AxleConfiguration>4x2</AxleConfiguration>
+		<CorrectedActualMass>6000</CorrectedActualMass>
+		<TechnicalPermissibleMaximumLadenMass>12000</TechnicalPermissibleMaximumLadenMass>
+		<IdlingSpeed>650</IdlingSpeed>
+		<RetarderType>None</RetarderType>
+		<AngledriveType>None</AngledriveType>
+		<ZeroEmissionVehicle>false</ZeroEmissionVehicle>
+		<NgTankSystem>Liquefied</NgTankSystem><!-- optional -->
+		<VehicleTypeApprovalNumber>ASDF</VehicleTypeApprovalNumber>
+		<ArchitectureID>S4</ArchitectureID>
+		<OvcHev>false</OvcHev>
+		<ADAS xsi:type="ADAS_HEV_Type">
+			<EngineStopStart>true</EngineStopStart>
+			<PredictiveCruiseControl>1,2,3</PredictiveCruiseControl>
+		</ADAS>
+		<TorqueLimits xsi:type="v2.0:TorqueLimitsType"><!-- optional -->
+			<v2.0:Entry gear="9" maxTorque="2000"/>
+		</TorqueLimits>
+		<Components xsi:type="Components_HEV-S4_LorryType">
+			<Engine>
+				<v2.0:Data xsi:type="v1.0:EngineDataDeclarationType" id="ENG-gooZah3D" xmlns="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:v1.0">
+					<Manufacturer>Generic Engine Manufacturer</Manufacturer>
+					<Model>Generic 40t Long Haul Truck Engine</Model>
+					<CertificationNumber>e12*0815/8051*2017/05E0000*00</CertificationNumber>
+					<Date>2017-02-15T11:00:00Z</Date>
+					<AppVersion>VectoEngine x.y</AppVersion>
+					<Displacement>12730</Displacement>
+					<IdlingSpeed>560</IdlingSpeed>
+					<RatedSpeed>2200</RatedSpeed>
+					<RatedPower>380000</RatedPower>
+					<MaxEngineTorque>2300</MaxEngineTorque>
+					<WHTCUrban>1.0097</WHTCUrban>
+					<WHTCRural>1.0035</WHTCRural>
+					<WHTCMotorway>1.0200</WHTCMotorway>
+					<BFColdHot>1.0000</BFColdHot>
+					<CFRegPer>1.0000</CFRegPer>
+					<CFNCV>1.0000</CFNCV>
+					<FuelType>NG</FuelType>
+					<FuelConsumptionMap>
+						<Entry engineSpeed="560.00" torque="-149.00" fuelConsumption="0.00"/>
+						<Entry engineSpeed="560.00" torque="1180.00" fuelConsumption="12869.00"/>
+						<Entry engineSpeed="2100.00" torque="-320.00" fuelConsumption="0.00"/>
+						<Entry engineSpeed="2100.00" torque="1100.00" fuelConsumption="50653.00"/>
+					</FuelConsumptionMap>
+					<FullLoadAndDragCurve>
+						<Entry engineSpeed="560.00" maxTorque="1180.00" dragTorque="-149.00"/>
+						<Entry engineSpeed="1800.00" maxTorque="1800.00" dragTorque="-300.00"/>
+						<Entry engineSpeed="2100.00" maxTorque="1100.00" dragTorque="-320.00"/>
+					</FullLoadAndDragCurve>
+				</v2.0:Data>
+				<v2.0:Signature>
+					<di:Reference>
+						<di:DigestMethod Algorithm=""/>
+						<di:DigestValue/>
+					</di:Reference>
+				</v2.0:Signature>
+			</Engine>
+			<ElectricMachineGEN>
+				<PowertrainPosition>GEN</PowertrainPosition>
+				<Count>1</Count>
+				<ElectricMachineSystem>
+					<v2.10.1:Data xsi:type="v2.10.1:ElectricMachineSystemMeasuredDataDeclarationType" id="EM-1234" xmlns="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:DEV:v2.10.1">
+						<Manufacturer>a</Manufacturer>
+						<Model>a</Model>
+						<CertificationNumber>token</CertificationNumber>
+						<Date>2017-01-01T00:00:00Z</Date>
+						<AppVersion>aaaaa</AppVersion>
+						<ElectricMachineType>ASM</ElectricMachineType>
+						<CertificationMethod>Measured</CertificationMethod>
+						<R85RatedPower>1</R85RatedPower>
+						<RotationalInertia>0.10</RotationalInertia>
+						<ContinuousTorque>200.00</ContinuousTorque>
+						<TestSpeedContinuousTorque>2000.00</TestSpeedContinuousTorque>
+						<OverloadTorque>400.00</OverloadTorque>
+						<TestSpeedOverloadTorque>2000.00</TestSpeedOverloadTorque>
+						<OverloadDuration>30.00</OverloadDuration>
+						<TestVoltageOverload>483</TestVoltageOverload>
+						<DcDcConverterIncluded>true</DcDcConverterIncluded>
+						<IHPCType>None</IHPCType>
+						<VoltageLevel>
+							<Voltage>400</Voltage>
+							<MaxTorqueCurve>
+								<Entry outShaftSpeed="0.00" maxTorque="450.00" minTorque="-450.00"/>
+								<Entry outShaftSpeed="4000.00" maxTorque="100.00" minTorque="-100.00"/>
+							</MaxTorqueCurve>
+							<PowerMap>
+								<Entry outShaftSpeed="0.00" torque="400.00" electricPower="1000.00"/>
+								<Entry outShaftSpeed="0.00" torque="-400.00" electricPower="-1000.00"/>
+								<Entry outShaftSpeed="4000.00" torque="4000.00" electricPower="20000.00"/>
+								<Entry outShaftSpeed="4000.00" torque="-4000.00" electricPower="-20000.00"/>
+							</PowerMap>
+						</VoltageLevel>
+						<VoltageLevel>
+							<Voltage>600</Voltage>
+							<MaxTorqueCurve>
+								<Entry outShaftSpeed="0.00" maxTorque="450.00" minTorque="-450.00"/>
+								<Entry outShaftSpeed="4000.00" maxTorque="100.00" minTorque="-100.00"/>
+							</MaxTorqueCurve>
+							<PowerMap>
+								<Entry outShaftSpeed="0.00" torque="400.00" electricPower="1000.00"/>
+								<Entry outShaftSpeed="0.00" torque="-400.00" electricPower="-1000.00"/>
+								<Entry outShaftSpeed="4000.00" torque="4000.00" electricPower="20000.00"/>
+								<Entry outShaftSpeed="4000.00" torque="-4000.00" electricPower="-20000.00"/>
+							</PowerMap>
+						</VoltageLevel>
+						<DragCurve>
+							<Entry outShaftSpeed="0.00" dragTorque="10.00"/>
+							<Entry outShaftSpeed="4000.00" dragTorque="30.00"/>
+						</DragCurve>
+						<Conditioning circuitId="0">
+							<Entry coolantTempInlet="30" coolingPower="5000"/>
+						</Conditioning>
+					</v2.10.1:Data>
+					<v2.10.1:Signature>
+						<di:Reference>
+							<di:DigestMethod Algorithm=""/>
+							<di:DigestValue/>
+						</di:Reference>
+					</v2.10.1:Signature>
+				</ElectricMachineSystem>
+			</ElectricMachineGEN>
+			<ElectricEnergyStorage>
+				<Battery>
+					<StringID>0</StringID>
+					<REESS>
+						<v2.10.2:Data id="BAT-asdf" xmlns="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:DEV:v2.10.1">
+							<Manufacturer>a</Manufacturer>
+							<Model>a</Model>
+							<CertificationNumber>token</CertificationNumber>
+							<Date>2017-01-01T00:00:00Z</Date>
+							<AppVersion>aaaaa</AppVersion>
+							<CertificationMethod>Measured</CertificationMethod>
+							<BatteryType>HPBS</BatteryType>
+							<RatedCapacity>72.00</RatedCapacity>
+							<ConnectorsSubsystemsIncluded>true</ConnectorsSubsystemsIncluded>
+							<JunctionboxIncluded>true</JunctionboxIncluded>
+							<TestingTemperature>20</TestingTemperature>
+							<OCV>
+								<Entry SoC="0" OCV="620.00"/>
+								<Entry SoC="100" OCV="640.00"/>
+							</OCV>
+							<InternalResistance>
+								<Entry SoC="0" R_2="10.00" R_10="11.00" R_20="12.00"/>
+								<Entry SoC="100" R_2="12.00" R_10="14.00" R_20="16.00"/>
+							</InternalResistance>
+							<CurrentLimits>
+								<Entry SoC="0" maxChargingCurrent="50.00" maxDischargingCurrent="0.00"/>
+								<Entry SoC="100" maxChargingCurrent="0.00" maxDischargingCurrent="50.00"/>
+							</CurrentLimits>
+						</v2.10.2:Data>
+						<Signature>
+							<di:Reference>
+								<di:DigestMethod Algorithm=""/>
+								<di:DigestValue/>
+							</di:Reference>
+						</Signature>
+					</REESS>
+					<SOCmin>20</SOCmin>
+					<SOCmax>80</SOCmax>
+				</Battery>
+				<Battery>
+					<StringID>1</StringID>
+					<REESS>
+						<v2.10.2:Data id="BAT-asdf" xmlns="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:DEV:v2.10.1">
+							<Manufacturer>a</Manufacturer>
+							<Model>a</Model>
+							<CertificationNumber>token</CertificationNumber>
+							<Date>2017-01-01T00:00:00Z</Date>
+							<AppVersion>aaaaa</AppVersion>
+							<CertificationMethod>Measured</CertificationMethod>
+							<BatteryType>HPBS</BatteryType>
+							<RatedCapacity>72.00</RatedCapacity>
+							<ConnectorsSubsystemsIncluded>true</ConnectorsSubsystemsIncluded>
+							<JunctionboxIncluded>true</JunctionboxIncluded>
+							<TestingTemperature>20</TestingTemperature>
+							<OCV>
+								<Entry SoC="0" OCV="620.00"/>
+								<Entry SoC="100" OCV="640.00"/>
+							</OCV>
+							<InternalResistance>
+								<Entry SoC="0" R_2="10.00" R_10="11.00" R_20="12.00"/>
+								<Entry SoC="100" R_2="12.00" R_10="14.00" R_20="16.00"/>
+							</InternalResistance>
+							<CurrentLimits>
+								<Entry SoC="0" maxChargingCurrent="50.00" maxDischargingCurrent="0.00"/>
+								<Entry SoC="100" maxChargingCurrent="0.00" maxDischargingCurrent="50.00"/>
+							</CurrentLimits>
+						</v2.10.2:Data>
+						<Signature>
+							<di:Reference>
+								<di:DigestMethod Algorithm=""/>
+								<di:DigestValue/>
+							</di:Reference>
+						</Signature>
+					</REESS>
+				</Battery>
+			</ElectricEnergyStorage>
+			<ElectricMachine>
+				<PowertrainPosition>2</PowertrainPosition>
+				<Count>1</Count>
+				<ElectricMachineSystem>
+					<v2.10.1:Data xsi:type="v2.10.1:ElectricMachineSystemMeasuredDataDeclarationType" id="EM-1234" xmlns="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:DEV:v2.10.1">
+						<Manufacturer>a</Manufacturer>
+						<Model>a</Model>
+						<CertificationNumber>token</CertificationNumber>
+						<Date>2017-01-01T00:00:00Z</Date>
+						<AppVersion>aaaaa</AppVersion>
+						<ElectricMachineType>ASM</ElectricMachineType>
+						<CertificationMethod>Measured</CertificationMethod>
+						<R85RatedPower>1</R85RatedPower>
+						<RotationalInertia>0.10</RotationalInertia>
+						<ContinuousTorque>200.00</ContinuousTorque>
+						<TestSpeedContinuousTorque>2000.00</TestSpeedContinuousTorque>
+						<OverloadTorque>400.00</OverloadTorque>
+						<TestSpeedOverloadTorque>2000.00</TestSpeedOverloadTorque>
+						<OverloadDuration>30.00</OverloadDuration>
+						<TestVoltageOverload>483</TestVoltageOverload>
+						<DcDcConverterIncluded>true</DcDcConverterIncluded>
+						<IHPCType>None</IHPCType>
+						<VoltageLevel>
+							<Voltage>400</Voltage>
+							<MaxTorqueCurve>
+								<Entry outShaftSpeed="0.00" maxTorque="450.00" minTorque="-450.00"/>
+								<Entry outShaftSpeed="4000.00" maxTorque="100.00" minTorque="-100.00"/>
+							</MaxTorqueCurve>
+							<PowerMap>
+								<Entry outShaftSpeed="0.00" torque="400.00" electricPower="1000.00"/>
+								<Entry outShaftSpeed="0.00" torque="-400.00" electricPower="-1000.00"/>
+								<Entry outShaftSpeed="4000.00" torque="4000.00" electricPower="20000.00"/>
+								<Entry outShaftSpeed="4000.00" torque="-4000.00" electricPower="-20000.00"/>
+							</PowerMap>
+						</VoltageLevel>
+						<VoltageLevel>
+							<Voltage>600</Voltage>
+							<MaxTorqueCurve>
+								<Entry outShaftSpeed="0.00" maxTorque="450.00" minTorque="-450.00"/>
+								<Entry outShaftSpeed="4000.00" maxTorque="100.00" minTorque="-100.00"/>
+							</MaxTorqueCurve>
+							<PowerMap>
+								<Entry outShaftSpeed="0.00" torque="400.00" electricPower="1000.00"/>
+								<Entry outShaftSpeed="0.00" torque="-400.00" electricPower="-1000.00"/>
+								<Entry outShaftSpeed="4000.00" torque="4000.00" electricPower="20000.00"/>
+								<Entry outShaftSpeed="4000.00" torque="-4000.00" electricPower="-20000.00"/>
+							</PowerMap>
+						</VoltageLevel>
+						<DragCurve>
+							<Entry outShaftSpeed="0.00" dragTorque="10.00"/>
+							<Entry outShaftSpeed="4000.00" dragTorque="30.00"/>
+						</DragCurve>
+						<Conditioning circuitId="0">
+							<Entry coolantTempInlet="30" coolingPower="5000"/>
+						</Conditioning>
+					</v2.10.1:Data>
+					<v2.10.1:Signature>
+						<di:Reference>
+							<di:DigestMethod Algorithm=""/>
+							<di:DigestValue/>
+						</di:Reference>
+					</v2.10.1:Signature>
+				</ElectricMachineSystem>
+				<P2.5GearRatios><!-- only for P2.5 HEV -->
+					<Ratio gear="1">1.000</Ratio>
+					<Ratio gear="2">2.000</Ratio>
+				</P2.5GearRatios>
+			</ElectricMachine>
+			<AxleWheels>
+				<v2.0:Data xsi:type="v2.0:AxleWheelsDataDeclarationType" xmlns="urn:tugraz:ivt:VectoAPI:DeclarationDefinitions:v2.0">
+					<Axles>
+						<Axle axleNumber="1" xsi:type="AxleDataDeclarationType">
+							<AxleType>VehicleNonDriven</AxleType>
+							<TwinTyres>false</TwinTyres>
+							<Steered>true</Steered>
+							<Tyre>
+								<Data id="WHL-5432198760-315-70-R22.5" xsi:type="TyreDataDeclarationType">
+									<Manufacturer>Generic Wheels Manufacturer</Manufacturer>
+									<Model>Generic Wheel</Model>
+									<CertificationNumber>e12*0815/8051*2017/05E0000*00</CertificationNumber>
+									<Date>2017-01-11T14:00:00Z</Date>
+									<AppVersion>Tyre Generation App 1.0</AppVersion>
+									<Dimension>315/70 R22.5</Dimension>
+									<RRCDeclared>0.0055</RRCDeclared>
+									<FzISO>31300</FzISO>
+								</Data>
+								<Signature>
+									<di:Reference URI="#WHL-5432198760-315-70-R22.5">
+										<di:Transforms>
+											<di:Transform Algorithm="urn:vecto:xml:2017:canonicalization"/>
+											<di:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
+										</di:Transforms>
+										<di:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
+										<di:DigestValue>4TkUGQTX8tevHOU9Cj9uyCFuI/aqcEYlo/gyVjVQmv0=</di:DigestValue>
+									</di:Reference>
+								</Signature>
+							</Tyre>
+						</Axle>
+						<Axle axleNumber="2" xsi:type="AxleDataDeclarationType">
+							<AxleType>VehicleDriven</AxleType>
+							<TwinTyres>true</TwinTyres>
+							<Steered>false</Steered>
+							<Tyre>
+								<Data id="WHL-5432198760-315-70-R22.5" xsi:type="TyreDataDeclarationType">
+									<Manufacturer>Generic Wheels Manufacturer</Manufacturer>
+									<Model>Generic Wheel</Model>
+									<CertificationNumber>e12*0815/8051*2017/05E0000*00</CertificationNumber>
+									<Date>2017-01-11T14:00:00Z</Date>
+									<AppVersion>Tyre Generation App 1.0</AppVersion>
+									<Dimension>315/70 R22.5</Dimension>
+									<RRCDeclared>0.0063</RRCDeclared>
+									<FzISO>31300</FzISO>
+								</Data>
+								<Signature>
+									<di:Reference URI="#WHL-5432198760-315-70-R22.5">
+										<di:Transforms>
+											<di:Transform Algorithm="urn:vecto:xml:2017:canonicalization"/>
+											<di:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
+										</di:Transforms>
+										<di:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/>
+										<di:DigestValue>KljvtvGUUQ/L7MiLVAqU+bckL5PNDNNwdeLH9kUVrfM=</di:DigestValue>
+									</di:Reference>
+								</Signature>
+							</Tyre>
+						</Axle>
+					</Axles>
+				</v2.0:Data>
+			</AxleWheels>
+			<Auxiliaries>
+				<Data xsi:type="AUX_HEV-S_LorryDataType">
+					<Fan>
+						<Technology>Hydraulic driven - Constant displacement pump</Technology>
+					</Fan>
+					<SteeringPump>
+						<Technology axleNumber="1">Electric driven pump</Technology>
+					</SteeringPump>
+					<ElectricSystem>
+						<Technology>Standard technology - LED headlights, all</Technology>
+					</ElectricSystem>
+					<PneumaticSystem>
+						<Technology>Medium Supply 2-stage</Technology>
+					</PneumaticSystem>
+					<HVAC>
+						<Technology>Default</Technology>
+					</HVAC>
+				</Data>
+			</Auxiliaries>
+		</Components>
+	</v2.0:Vehicle>
+</tns:VectoInputDeclaration>
diff --git a/VectoCore/VectoCoreTest/VectoCoreTest.csproj b/VectoCore/VectoCoreTest/VectoCoreTest.csproj
index 1783ee4a019805171968405b258d4d18b42bbada..bd974660bd48d0c2015ea8d9aa7b70dde11e8903 100644
--- a/VectoCore/VectoCoreTest/VectoCoreTest.csproj
+++ b/VectoCore/VectoCoreTest/VectoCoreTest.csproj
@@ -6046,6 +6046,9 @@
     <Content Include="TestData\XML\XMLReaderDeclaration\SchemaVersion2.10\WithoutOptionalEntries\HEV-S_mediumLorry_S3_n_opt.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="TestData\XML\XMLReaderDeclaration\SchemaVersion2.10\WithoutOptionalEntries\HEV-S_mediumLorry_S4_n_opt.xml">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="TestData\XML\XMLReaderDeclaration\SchemaVersion2.10\WithoutOptionalEntries\HEV_heavyLorry_AMT_Px_n_opt.xml">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
diff --git a/VectoCore/VectoCoreTest/XML/XMLDeclarationInputv210.cs b/VectoCore/VectoCoreTest/XML/XMLDeclarationInputv210.cs
index 6d28b8292a7d7f6f81880c46425f86f807b04685..ad79a67f79a6946231ed5676b551d18ef786bb8b 100644
--- a/VectoCore/VectoCoreTest/XML/XMLDeclarationInputv210.cs
+++ b/VectoCore/VectoCoreTest/XML/XMLDeclarationInputv210.cs
@@ -986,35 +986,50 @@ namespace TUGraz.VectoCore.Tests.XML
 		}
 
 
-		[TestCase(@"MediumLorry\HEV-S_mediumLorry_S4.xml")]
-		public void TestHEVMediumLorryS4(string jobfile)
+		[TestCase(@"MediumLorry\HEV-S_mediumLorry_S4.xml", BASE_DIR)]
+		[TestCase(@"HEV-S_mediumLorry_S4_n_opt.xml", Optional_TESTS_DIR)]
+		public void TestHEVMediumLorryS4(string jobfile, string testDir)
 		{
-			var filename = Path.Combine(BASE_DIR, jobfile);
+			var filename = Path.Combine(testDir, jobfile);
 			var dataProvider = xmlInputReader.CreateDeclaration(XmlReader.Create(filename));
 
 			Assert.NotNull(dataProvider.JobInputData);
 			var vehicle = dataProvider.JobInputData.Vehicle;
 			Assert.NotNull(vehicle);
 			Assert.IsNotNull(vehicle.Components);
+			Assert.IsNotNull(vehicle.ADAS);
 			Assert.IsNotNull(vehicle.Components.EngineInputData);
 			Assert.IsNotNull(vehicle.Components.ElectricMachines);
 			Assert.AreEqual(2, vehicle.Components.ElectricMachines.Entries.Count);
 			Assert.AreEqual(PowertrainPosition.BatteryElectricE2, vehicle.Components.ElectricMachines.Entries[0].Position);
 			Assert.AreEqual(PowertrainPosition.GEN, vehicle.Components.ElectricMachines.Entries[1].Position);
+			Assert.IsNull(vehicle.Components.IEPC);
 			Assert.IsNull(vehicle.Components.GearboxInputData);
 			Assert.IsNull(vehicle.Components.TorqueConverterInputData);
+			
+			if (testDir == Optional_TESTS_DIR)
+			{
+				Assert.IsNull(vehicle.Components.RetarderInputData);
+				Assert.IsNull(vehicle.Components.AirdragInputData);
+				Assert.IsNull(vehicle.CargoVolume);
+				Assert.IsNull(vehicle.ElectricMotorTorqueLimits);
+			}
+			else
+			{
+				Assert.IsNotNull(vehicle.Components.RetarderInputData);
+				Assert.IsNotNull(vehicle.Components.AirdragInputData);
+				Assert.IsNotNull(vehicle.CargoVolume);
+				Assert.IsNotNull(vehicle.ElectricMotorTorqueLimits);
+			}
+			
 			Assert.IsNull(vehicle.Components.AngledriveInputData);
-			Assert.IsNotNull(vehicle.Components.RetarderInputData);
 			Assert.IsNull(vehicle.Components.AxleGearInputData);
 			Assert.IsNotNull(vehicle.Components.AxleWheels);
 			Assert.IsNotNull(vehicle.Components.AuxiliaryInputData);
 			Assert.IsNull(vehicle.Components.BusAuxiliaries);
-			Assert.IsNotNull(vehicle.Components.AirdragInputData);
 			Assert.IsNotNull(vehicle.Components.ElectricStorage);
 			Assert.IsNull(vehicle.Components.PTOTransmissionInputData);
-			Assert.IsNotNull(vehicle.CargoVolume);
 			Assert.IsNull(vehicle.TorqueLimits);
-			Assert.IsNotNull(vehicle.ElectricMotorTorqueLimits);
 			Assert.IsNull(vehicle.MaxPropulsionTorque);
 		}