Dr. Rudolph Diesel first worked on the Diesel cycle using powdered coal dust on a slow speed two stroke engine. So the Diesel cycle came first and later developments led to Diesel engines. Sadly, Dr....
Rudolf Diesel. Yes he invented the engine. The fuel came later and was named after him but he didnt invent diesel fuel. His wife insisted he name the engine after himself, he didnt want to.
Diesel fuel is often referred to as "diesel oil" or "heavy oil". Do not confuse this with "engine oil for a diesel engine" which means "lubricating oil specially formulated for use in diesel...