Solved - NEH 5003: Lucciola 3-wheeler - 1948

[Carnut]

What's this, by whom, from when and powered by what - for 1 point?:

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[Lorenzo721]

I vaguely remember this one... Isn't it Italian, and built sometime during the war and right after it?

[Carnut]

I vaguely remember this one... Isn't it Italian, and built sometime during the war and right after it?

It is Italian, yes, from the late 1940s.

[Lorenzo721]

1948 Lucciola, powered by a 250cc Condor Giudetti engine.

[Carnut]

1948 Lucciola, powered by a 250cc Condor Giudetti engine.

Correct; and I thought this was quite hard!  Shows what I know...
But there's one question you haven't answered, so it's locked for you to do so.

[Lorenzo721]

Thanks, I had skipped one of the questions... Engineer Giorgio Pennachio, from Milan, was behind the project.

[Carnut]

Thanks, I had skipped one of the questions... Engineer Giorgio Pennachio, from Milan, was behind the project.

Yes indeed, he designed it.
It never took off though, figuratively speaking..

[thorax]

another Lucciola by G.B. Pennacchi (this from 1942):

[grobmotorix]

I found an old 1982 QR magazine clipping that might be of interest for this puzzle.
Now I learned that Lucciola means firefly in Italian and that it was used for several cars obviously.
Before I thought it is a brand name 
This is the automated Bing-translation for the photo text:

The electric "Firefly" built in 1949 by Piero Patria (photo on the side). A model of the same name, which fitted a Condor-Guidetti engine with valves at the head of 250cc and forced air cooling, was presented in 1947 by the Milanese G.B.Pennacchio (photo below)