Delivery vehicles (4)
I believe the answer is:
vans
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">delivery vehicles</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for vans that I've seen before include "Commercial vehicles" , "Goods vehicles" , "Trade vehicles" , "Transport" .)