1940s gas bag vehicle modified to deal with deal with gasoline shortages during WWII. The vehicles consume coal gas.

Fullsize image: https://diqn32j8nouaz.cloudfront.net...r_fullsize.jpg



Previously:

Natural gas bus with gas bags - photo
1917 natural gas-powered taxi - photo
2003 Rinspeed Bedouin natural gas powered car - photos
Wood gas cars - photos