Caption:
Opel Olympia with a wood gas generator, built in 1936, due to gasoline shortages after the war it was converted in 1946 to be powered by the gas from sulphurated wood, ErfinderZeiten: Auto- und Uhrenmuseum, Time of Innovators: Museum of Cars and Clocks, Schramberg, Black Forest, Baden Wuerttemberg, Germany, Europe