15. Austin 7 Gas Producer (Charcoal Gas)
The Austin 7 became a symbol of ingenuity during wartime Britain when many were outfitted with gas producer units.
By burning charcoal to generate a usable gas, these cars could keep running despite severe fuel rationing.
The adaptation of the Austin 7 and similar cars highlights how necessity drove creative solutions in challenging times.
Discover more about Austin 7 gas producers.