fuel type (i.e. petrol, diesel, flex fuel petrol/ethanol, flex fuel diesel/biodiesel, NG/biomethane, LPG, bi fuel petrol/NG/biomethane, bi fuel petrol/LPG),
brandstoftype (d.w.z. benzine, diesel, flexfuel benzine/ethanol, flexfuel diesel/biodiesel, aardgas/biomethaan, LPG, bifuel benzine/aardgas/biomethaan, bifuel benzine/LPG).