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Forcing emission into a volume

Hi all!
As in the title, I would like to force the emission of particles into a certain volume. The emitter is on board a mobile vehicle and generates particles upwards when the actor is stationary. When it begins to move the particles create a trail, this phenomenon is not compatible with reality. Is it possible to force this restriction? I tried with the fields of vectors but I have not got a decent result. Thanks in advance.

bump up for update… and refresh
i try something with fumefx in 3ds not exported in ue4 because i seen it generating a sprite sheet sequence that go to be applied to an emitter…but if i can’t reach the “emitter in a volume” achievement is perfectly unusefull to use fumefx…or i wrong?