diff --git a/data/carSimulationOntology.owl b/data/carSimulationOntology.owl
new file mode 100644
index 0000000..169db57
--- /dev/null
+++ b/data/carSimulationOntology.owl
@@ -0,0 +1,150 @@
+<?xml version="1.0"?>
+<rdf:RDF xmlns="http://myexample.org/"
+     xml:base="http://myexample.org/"
+     xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+     xmlns:owl="http://www.w3.org/2002/07/owl#"
+     xmlns:xml="http://www.w3.org/XML/1998/namespace"
+     xmlns:myexample="http://myexample.org/#"
+     xmlns:xsd="http://www.w3.org/2001/XMLSchema#"
+     xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#">
+    <owl:Ontology rdf:about="http://myexample.org/">
+        <rdfs:comment xml:lang="de">Beispielhafte Ontologie für die Autosimulation</rdfs:comment>
+    </owl:Ontology>
+    
+
+
+    <!-- 
+    ///////////////////////////////////////////////////////////////////////////////////////
+    //
+    // Object Properties
+    //
+    ///////////////////////////////////////////////////////////////////////////////////////
+     -->
+
+    
+
+
+    <!-- http://myexample.org/#drives -->
+
+    <owl:ObjectProperty rdf:about="http://myexample.org/#drives">
+        <owl:inverseOf rdf:resource="http://myexample.org/#isDrivenBy"/>
+        <rdfs:domain rdf:resource="http://myexample.org/#Driver"/>
+        <rdfs:range rdf:resource="http://myexample.org/#Car"/>
+    </owl:ObjectProperty>
+    
+
+
+    <!-- http://myexample.org/#isDrivenBy -->
+
+    <owl:ObjectProperty rdf:about="http://myexample.org/#isDrivenBy">
+        <rdfs:domain rdf:resource="http://myexample.org/#Car"/>
+        <rdfs:range rdf:resource="http://myexample.org/#Driver"/>
+    </owl:ObjectProperty>
+    
+
+
+    <!-- 
+    ///////////////////////////////////////////////////////////////////////////////////////
+    //
+    // Data properties
+    //
+    ///////////////////////////////////////////////////////////////////////////////////////
+     -->
+
+    
+
+
+    <!-- http://myexample.org/#maximumMotorRPM -->
+
+    <owl:DatatypeProperty rdf:about="http://myexample.org/#maximumMotorRPM">
+        <rdfs:domain rdf:resource="http://myexample.org/#Car"/>
+        <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#positiveInteger"/>
+    </owl:DatatypeProperty>
+    
+
+
+    <!-- http://myexample.org/#maximumTirePressure -->
+
+    <owl:DatatypeProperty rdf:about="http://myexample.org/#maximumTirePressure">
+        <rdfs:domain rdf:resource="http://myexample.org/#Car"/>
+        <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
+    </owl:DatatypeProperty>
+    
+
+
+    <!-- http://myexample.org/#minimumMotorRPM -->
+
+    <owl:DatatypeProperty rdf:about="http://myexample.org/#minimumMotorRPM">
+        <rdfs:domain rdf:resource="http://myexample.org/#Car"/>
+        <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#positiveInteger"/>
+    </owl:DatatypeProperty>
+    
+
+
+    <!-- http://myexample.org/#minimumTirePressure -->
+
+    <owl:DatatypeProperty rdf:about="http://myexample.org/#minimumTirePressure">
+        <rdfs:domain rdf:resource="http://myexample.org/#Car"/>
+        <rdfs:range rdf:resource="http://www.w3.org/2001/XMLSchema#float"/>
+    </owl:DatatypeProperty>
+    
+
+
+    <!-- 
+    ///////////////////////////////////////////////////////////////////////////////////////
+    //
+    // Classes
+    //
+    ///////////////////////////////////////////////////////////////////////////////////////
+     -->
+
+    
+
+
+    <!-- http://myexample.org/#Car -->
+
+    <owl:Class rdf:about="http://myexample.org/#Car"/>
+    
+
+
+    <!-- http://myexample.org/#Driver -->
+
+    <owl:Class rdf:about="http://myexample.org/#Driver"/>
+    
+
+
+    <!-- 
+    ///////////////////////////////////////////////////////////////////////////////////////
+    //
+    // Individuals
+    //
+    ///////////////////////////////////////////////////////////////////////////////////////
+     -->
+
+    
+
+
+    <!-- http://myexample.org/#Max -->
+
+    <owl:NamedIndividual rdf:about="http://myexample.org/#Max">
+        <rdf:type rdf:resource="http://myexample.org/#Driver"/>
+    </owl:NamedIndividual>
+    
+
+
+    <!-- http://myexample.org/#Volvo -->
+
+    <owl:NamedIndividual rdf:about="http://myexample.org/#Volvo">
+        <rdf:type rdf:resource="http://myexample.org/#Car"/>
+        <myexample:isDrivenBy rdf:resource="http://myexample.org/#Max"/>
+        <myexample:maximumMotorRPM rdf:datatype="http://www.w3.org/2001/XMLSchema#positiveInteger">4500</myexample:maximumMotorRPM>
+        <myexample:maximumTirePressure rdf:datatype="http://www.w3.org/2001/XMLSchema#double">3.5</myexample:maximumTirePressure>
+        <myexample:minimumMotorRPM rdf:datatype="http://www.w3.org/2001/XMLSchema#positiveInteger">800</myexample:minimumMotorRPM>
+        <myexample:minimumTirePressure rdf:datatype="http://www.w3.org/2001/XMLSchema#double">2.9</myexample:minimumTirePressure>
+    </owl:NamedIndividual>
+</rdf:RDF>
+
+
+
+<!-- Generated by the OWL API (version 4.2.5.20160517-0735) https://github.com/owlcs/owlapi -->
+
diff --git a/src/main/java/lu/jpt/csparqltest/rentacar/Car.java b/src/main/java/lu/jpt/csparqltest/rentacar/Car.java
index adb74fa..78e1a67 100644
--- a/src/main/java/lu/jpt/csparqltest/rentacar/Car.java
+++ b/src/main/java/lu/jpt/csparqltest/rentacar/Car.java
@@ -179,6 +179,7 @@ public class Car {
 			this.currentState = CarState.WRECKED;
 			this.motorOn = false;
 			this.motorRpm = 0;
+			this.speed = 0;
 			break;
 		case NONE:
 			break;