German Inventor and Mechanical Engineer, Famous for inventing the Diesel Engine
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.
The automobile engine will come, and then I will consider my life's work complete.
The diesel engine can be fed with vegetable oils and would help considerably in the development of agriculture of the countries which use it... The use of vegetable oils for engine fuels may seem insignificant today. But such oils may become in course of time as important as petroleum and the coal tar products of the present time.
The hope that technology will save us or will miraculously effect our moral improvement is a kind of modern idolatry.