Diesel dead
Two news from 1913 . Three wheeled taxis in Swedish citys and Rudolf Diesel was killed during a trip . Possibly drowned.
Prototyp diesel engine . In 1898, Diesel patent number 608,845 from United States Patent Office.
Mercedes the first diesel1923. The Benz OB 2 four-cylinder pre chamber diesel engine from 1923 was the first large scale manufactured diesel truck.