<attribute name="speed" type="xsd:float" use="required" />
<attribute name="fuel" type="xsd:float" use="required" />
<attribute name="co" type="xsd:float" use="required" />
<attribute name="rhc" type="xsd:float" use="required" />
<attribute name="nox" type="xsd:float" use="required" />
</complexType>