Clessie Lyle Cummins

Clessie Cummins was an inventor and entrepreneur known for pioneering advancements in diesel engine technology. Born in Indiana, he founded the Cummins Engine Company in 1919, transforming it into a leader in diesel innovation. Cummins was instrumental in proving the viability of diesel engines in automobiles, famously driving a diesel-powered car across the U.S. in 1931. Holding numerous patents, he revolutionized fuel efficiency and engine performance. Despite stepping away from the company later in life, his contributions laid the foundation for modern diesel technology.