The so-called Karichschmiermann, a legendary figure from Northern Alsace, once roamed the villages north of the Hagenau forest with his wheelbarrow carrying a barrel of oil. He sold cart grease to the farmers, which he had purchased in the Pechelbronn refinery...

... Wooden barrel or "baril" (with a volume of 159 liters). The “baril” commonly served for transporting petroleum and is still used as a measure for crude oil.

Pechelbronn Petroleum Museum