Ligroin
Ligroin is a petroleum. The fraction is also called heavy naphtha. These may be called light naphtha.
The name ligroin appeared as early as 1866.
Use as fuel
Ligroin was used to refuel the world's first production automobile, the Benz Patent-Motorwagen, on a long distance journey between Mannheim and Pforzheim. Bertha Benz added ligroin to the vehicle at a pharmacy in Wiesloch, making it the first filling station in history.The first functional diesel engine could also run on ligroin.