Italian + gas led me to this image, which appears to show the same type of van in use by Italgas. I couldn't identify the make, possibly Officine Meccaniche, as it echos the shape of the radiator grill on some of their smaller commercial vehicles, although I couldn't find anything similar. The original photo does look very much like the Goggomobil van, but the wheels are too big and the Goggo doesn't appear to have ever been produced with the corrogated panels if you exclude the Spanish F-350 Furgoneta, which is entirely different.
