In Part One we looked at Clessie Cummins' development of the first practical and reliable diesel truck engines and his earliest attempts to race diesels in the Indy 500. Though he had succeeded in developing the technology, he still hadn't achieved the ultimate proof of concept that market success brings. Until the early 1930s, what […]
The post Clessie Cummins Made Diesels the King of the Road… and Almost at Indy Too. Part Two appeared first on The Truth About Cars.
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