coal -gas bus .coal is converted into coal gas ,by cranking the handle for about 15 minutes .the coal gas was used to run the buses in 1940-1945 during 2nd world war ,due to non availability of petrol
A TYPICAL CHEVROLET BUS OF 1940-1960 ,USED WITH PETROL ENGINE OR WITH COAL GAS ENGINE ,DIESEL,C.N.G,AND L.P.G WERE UNKNOWN THEN, ||below typical Travancore bus stand 1950 with ford,Chevrolet,Fargo buses and a ford wooden body van