Clues:Didn't I answer that?
French, 1950's, never produced (you might have guessed this one)
From Georgano's Encyclopedia: The Arbel was a modern attempt at making a petrol-electric car, which despite several years of experiment never left the prototype stage. It used a rear-mounted petrol engine to drive four electric motors, one in each wheel.Probably infringing Dr Porsche's patents from when he designed for Lohner ;D
You'd have found it anyhow in the end, wouldn't you ?I missed your reply when you said that it was powered also by Atom, that was a great hint, but then I saw the pic....