<xs:element name="FuelUnitOfMeasure" type="FuelUnitOfMeasureType" minOccurs="0" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:annotation>
    <xs:documentation>
      <p xmlns="http://Hps.Exchange.PosGateway">Unit of measure for the fuel item purchased (can include EV charging).</p>
      <p xmlns="http://Hps.Exchange.PosGateway">Valid values include:</p>
      <ul xmlns="http://Hps.Exchange.PosGateway">
        <li>1 - Gallons</li>
        <li>2 - Liters</li>
        <li>3 - Pounds</li>
        <li>4 - Kilos</li>
        <li>5 - Imperial Gallons</li>
        <li>6 - Kilowatt hour</li>
        <li>7 - Minutes</li>
        <li>8 - Hours</li>
      </ul>
    </xs:documentation>
  </xs:annotation>
</xs:element>