A gas van or gas wagon was a truck re-equipped as a mobile gas chamber. During World War II and the Holocaust, Nazi Germany developed and used gas vans on a large scale to kill inmates of asylums, Rom
Burned-out Magirus-Deutz furniture mover van near Chełmno extermination camp. This van had not been modified, as explained by Office of the United States Chief Counsel for Prosecution of Axis Criminality (1946), but can help the reader visualize the process.