milk float 
noun British
An open-sided van, typically powered by electricity, that is used for delivering milk to houses.He then used his milk float to try to ram the car as it drove away towards Coxtie Green Road....
- Following the milk float was a convoy vehicle, which we believe was a newish black Volkswagen Golf or similar.
- Having decided as a young boy that he rather fancied becoming a milkman, Glenister could have ended up with a milk float.