Rudolf Christian Karl Dieselwas a German inventor and mechanical engineer, famous for the invention of the diesel engine and his mysterious death. Diesel was the subject of the 1942 film Diesel... (wikipedia)
The automobile engine will come, and then I will consider my life's work complete.
The use of plant oil as fuel may seem insignificant today. But such products can in time become just as important as kerosene and these coal-tar-products of today.