Vehicle excise duty (4,3)
I believe the answer is:
road tax
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">vehicle excise duty</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for road tax that I've seen before include "Levy on cars etc" , "Fee to run vehicle" , "What drivers pay" , "Levy on vehicles using public thoroughfares" , "Vehicle excise duty" .)